FAQ / Java / =CE=F8=E8=E1=EA=E8 =ED=E0=F7=E8=ED=E0=FE=F9=E8=F5 ja= va-=EF=F0=EE=E3=F0=E0=EC=EC=E8=F1=F2=EE=E2 [SQL.Ru]

Content-Type: multipart/related; start=; boundary=----------PXY5qEoJsmQ4xjxxEdYafW Content-Location: http://www.sql.ru/faq/faq_topic.aspx?fid=566 Subject: =?utf-8?Q?FAQ=20/=20Java=20/=20=D0=9E=D1=88=D0=B8=D0=B1=D0=BA=D0=B8=20=D0=BD=D0=B0=D1=87=D0=B8=D0=BD=D0=B0=D1=8E=D1=89=D0=B8=D1=85=20java-=D0=BF=D1=80=D0=BE=D0=B3=D1=80=D0=B0=D0=BC=D0=BC=D0=B8=D1=81=D1=82=D0=BE=D0=B2=20[SQL.Ru]?= MIME-Version: 1.0 ------------PXY5qEoJsmQ4xjxxEdYafW Content-Disposition: inline; filename=faq_topic.htm Content-Type: text/html; name=faq_topic.htm Content-Id: Content-Location: http://www.sql.ru/faq/faq_topic.aspx?fid=566 Content-Transfer-Encoding: Quoted-Printable = FAQ / Java / =CE=F8=E8=E1=EA=E8 =ED=E0=F7=E8=ED=E0=FE=F9=E8=F5 ja= va-=EF=F0=EE=E3=F0=E0=EC=EC=E8=F1=F2=EE=E2 [SQL.Ru]

=C2=F1=E5 =EF= =F0=EE SQL =E8 =E1=E0=E7=FB =E4=E0=ED=ED=FB=F5

Microsoft S= QL Server
Oracle<= /A>
.NET Fr= amework
MySql
=D0=E0=E1= =EE=F2=E0
MS Acce= ss
Visual = Fox Pro
Delphi<= /A>
Sybase<= /A>
PowerBu= ilder
InterBa= se, Firebird, Yaffil
=D4=EE=F0= =F3=EC
Java
Micros= oft Office
PHP&nb= sp;, Perl
Inform= ix
=CF=F0= =EE=E5=EA=F2=E8=F0=EE=E2=E0=ED=E8=E5

Java
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=C2=F1=E5 =E8=F1=EF=EE=EB=FC=E7=F3=E5=EC=FB=E5 =EC=ED= =EE=FE =F1=F0=E5=E4=FB java, =E2=EA=EB=FE=F7=E0=FF Javasoft JDKs, =EF=F0= =E5=E4=EF=EE=EB=E0=E3=E0=FE=F2,
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=CE=F8= =E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0: =C8=EC=FF =F4=E0=E9=EB=E0 Lab6= .java -

public cl=
ass Airplane extends Veh=
icle
  Seat pilot;
  public Airplane() { =

    pilot =3D new Seat(); =

  }
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0: =C8=EC=FF =F4=E0=E9=EB=E0 Airplane.java -

public cl=
ass Airplane extends Veh=
icle
  Seat pilot;
  public Airplane() { =

    pilot =3D new Seat(); =

  }
}

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 =EF=E5=F0=E2=FB=E9 =E0=F0=E3=F3=EC=E5=ED=F2 "-a=
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if (args[=
0] =3D=3D "-a") {
    optionsAll =3D true;
}

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2 =F1=F2=F0=EE=EA=E8= )

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5=F0:=

//  =EF=F0=EE=E2=E5=F0=E8=EC, =F0=E0=E2=E5=ED =EB=E8=
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if ("-a&quo=
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}

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4. =CF=EE=EC=E5=F9=E5=ED=E8=E5 =E2 =EE= =E4=E8=ED =F4=E0=E9=EB =F1=F0=E0=E7=F3 =ED=E5=F1=EA=EE=EB=FC=EA=E8=F5 =EA= =EB=E0=F1=F1=EE=E2 =F1 =EC=EE=E4=E8=F4=E8=EA=E0=F2=EE=F0=EE=EC public

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=F1=EE=E4=E5=F0=E6=E0=F9=E8=EC= =E8=F1=FF =E2 =FD=F2=E8=F5 =F4=E0=E9=EB=E0=F5. =D1=E2=FF=E7=FC =EC=EE=E6= =ED=EE =EE=F5=E0=F0=E0=EA=F2=E5=F0=E8=E7=EE=E2=E0=F2=FC =F2=E0=EA:
=CB=FE=E1=EE=E9 Java-=EA=EB=E0=F1=F1 =F5=F0=E0=ED=E8=F2=F1=FF =ED=E5= =E1=EE=EB=E5=E5 =F7=E5=EC =E2 =EE=E4=ED=EE=EC =F4=E0=E9=EB=E5
=C2= =EB=FE=E1=EE=E9 =F4=E0=E9=EB =F1 =E8=F1=F5=EE=E4=ED=FB=EC =EA=EE=E4=EE=EC= =EC=EE=E6=ED=EE =EF=EE=EC=E5=F1=F2=E8=F2=FC =ED=E5 =E1=EE=EB=E5=E5 1-=E3= =EE =EA=EB=E0=F1=F1=E0 =F1
=EC=EE=E4=E8=F4=E8=EA=E0=F2=EE=F0=EE=EC <= b>public

=C5=F1=EB=E8 =E2 =F4=E0=E9=EB=E5 =F1 =E8=F1=F5=EE=E4= =ED=FB=EC =EA=EE=E4=EE=EC =E5=F1=F2=FC =EA=EB=E0=F1=F1 =F1 =EC=EE=E4=E8=F4= =E8=EA=E0=F2=EE=F0=EE=EC public, =E8=EC=FF
=F4=E0=E9=EB=E0 =E8= =E8=EC=FF =EA=EB=E0=F1=F1=E0 =E4=EE=EB=E6=ED=FB =E1=FB=F2=FC =F1=F2=F0=EE= =E3=EE =EE=E4=E8=ED=E0=EA=EE=E2=FB=EC=E8 (=EF=F0=E8=EC. =EF=E5=F0=E5=E2.= : =E4=EE
=F0=E5=E3=E8=F1=F2=F0=E0, =F1=EC. =EF.1)

=C8=ED=EE=E3= =E4=E0 =F1=F2=F3=E4=E5=ED=F2=FB =E7=E0=E1=FB=E2=E0=FE=F2 =EE 2-=EE=EC =EF= =F0=E0=E2=E8=EB=E5, =F7=F2=EE =EF=F0=E8=E2=EE=E4=E8=F2 =EA =EE=F8=E8=E1=EA= =E0=EC =ED=E0 =FD=F2=E0=EF=E5
=EA=EE=EC=EF=E8=EB=FF=F6=E8=E8. =D1=EE= =EE=E1=F9=E5=ED=E8=E5 =EE=E1 =EE=F8=E8=E1=EA=E5 =E4=EB=FF 2-=E3=EE =E8 3= -=E3=EE =EF=F0=E0=E2=E8=EB=E0 =E1=F3=E4=E5=F2 =EE=E4=E8=ED=E0=EA=EE=E2=FB= =EC
(=E2 =F7=E5=EC =F1=EE=E1=F1=F2=E2=E5=ED=ED=EE =E8 =E7=E0=EA=EB=FE= =F7=E0=E5=F2=F1=FF =F2=F0=F3=E4=ED=EE=F1=F2=FC =F0=E0=F1=EF=EE=E7=ED=E0=ED= =E8=FF =FD=F2=EE=E9 =EE=F8=E8=E1=EA=E8).

5. =CF=EE=E4=EC=E5= =ED=E0 =EF=EE=EB=FF =EA=EB=E0=F1=F1=E0 =EB=EE=EA=E0=EB=FC=ED=EE=E9 =EF=E5= =F0=E5=EC=E5=ED=ED=EE=E9.

Java =EF=EE=E7=E2=EE=EB=FF=E5=F2 =EE= =E1=FA=FF=E2=EB=FF=F2=FC =E2=ED=F3=F2=F0=E8 =EC=E5=F2=EE=E4=E0 =EF=E5=F0= =E5=EC=E5=ED=ED=FB=E5, =F7=FC=E5 =E8=EC=FF =F1=EE=E2=EF=E0=E4=E0=E5=F2 =F1=
=EF=EE=EB=FF=EC=E8 =EA=EB=E0=F1=F1=E0. =C2 =F2=E0=EA=EE=EC =F1=EB=F3= =F7=E0=E5 =EF=F0=E5=E8=EC=F3=F9=E5=F1=F2=E2=EE =E1=F3=E4=E5=F2 =EE=F2=E4= =E0=ED=EE =EB=EE=EA=E0=EB=FC=ED=FB=EC
=EF=E5=F0=E5=EC=E5=ED=ED=FB=EC= , =E8 =EE=ED=E8 =E1=F3=E4=F3=F2 =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC=F1=FF= =E2=EC=E5=F1=F2=EE =EF=EE=EB=E5=E9.

=CA=EE=EC=EF=E8=EB=FF=F2=EE=F0= =E2=FB=E4=E0=F1=F2 =EE=F8=E8=E1=EA=F3, =E5=F1=EB=E8 =EF=E5=F0=E5=EC=E5=ED= =ED=FB=E5 =F1 =EE=E4=E8=ED=E0=EA=EE=E2=FB=EC=E8 =E8=EC=E5=ED=E0=EC=E8 =E1= =F3=E4=F3=F2
=F0=E0=E7=ED=FB=F5 =F2=E8=EF=EE=E2. =C5=F1=EB=E8 =E6=E5= =EE=ED=E8 =EE=E4=E8=ED=E0=EA=EE=E2=FB=F5 =F2=E8=EF=EE=E2, =EE=F8=E8=E1=EA= =E8 =EA=EE=EC=EF=E8=EB=FF=F6=E8=E8 =ED=E5 =E1=F3=E4=E5=F2, =E8
=E1=F3= =E4=F3=F2 =ED=E5=EF=EE=ED=FF=F2=ED=FB =EF=F0=E8=F7=E8=ED=FB =ED=E5=EF=F0= =E0=E2=E8=EB=FC=ED=EE=E9 =F0=E0=E1=EE=F2=FB =EF=F0=EE=E3=F0=E0=EC=EC=FB.=

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0:
public cl= ass Point3 { int i =3D 0; = int j =3D 0; = int k =3D 0; public <= B>boolean hits(Point[] p2list) { for(int i =3D 0; i < p2l= ist.length; i++) { Point p2 =3D p2list[i]; if (p2.x =3D=3D i && p2.y =3D= =3D j) return true; } return false; } }

=C5=F1=F2=FC =ED=E5=F1=EA=EE=EB=FC=EA=EE =F1= =EF=EE=F1=EE=E1=EE=E2, =EA=E0=EA =E8=F1=EF=F0=E0=E2=E8=F2=FC =FD=F2=F3 =EE= =F8=E8=E1=EA=F3. =CD=E0=E8=E1=EE=EB=E5=E5 =EF=F0=EE=F1=F2=EE=E9 -
=EE= =E1=F0=E0=F9=E0=F2=FC=F1=FF =EA =EF=EE=EB=FF=EC =EA=EB=E0=F1=F1=E0 =F1 =EF= =EE=EC=EE=F9=FC=FE =ED=E5=FF=E2=ED=EE=E3=EE =F3=EA=E0=E7=E0=F2=E5=EB=FF = this: this.=E8=EC=FF_=EF=EE=EB=FF.
=C1=EE=EB=E5=E5 =EB=F3=F7=F8=E8=E9= =F1=EF=EE=F1=EE=E1 - =FD=F2=EE =EF=E5=F0=E5=E8=EC=E5=ED=EE=E2=E0=F2=FC = =EF=EE=EB=E5 =EA=EB=E0=F1=F1=E0 =E8=EB=E8 =EB=EE=EA=E0=EB=FC=ED=F3=FE =EF=E5=F0=E5=EC=E5=ED=ED=F3=FE, =F2=EE=E3=E4=E0 =EF=EE=E4=EC=E5=ED=FB = =ED=E5 =EF=F0=EE=E8=E7=EE=E9=E4=E5=F2. (=EF=F0=E8=EC. =EF=E5=F0=E5=E2.: = 2-=EE=E9 =F1=EF=EE=F1=EE=E1 - =ED=E5
=ED=E0=F8 =EC=E5=F2=EE=E4. =CA = =F2=EE=EC=F3 =E6=E5 =EE=ED =ED=E5 =E3=E0=F0=E0=ED=F2=E8=F0=F3=E5=F2, =F7= =F2=EE =FF =EA=EE=E3=E4=E0 =ED=E8=E1=F3=E4=FC =F1=EB=F3=F7=E0=E9=ED=EE =ED= =E5
=EF=EE=E4=EC=E5=ED=FE =EF=EE=EB=E5 =EF=E5=F0=E5=EC=E5=ED=ED=EE=E9= . =C5=F9=E5 =E1=EE=EB=FC=F8=E0=FF =F2=F0=F3=E4=ED=EE=F1=F2=FC =E2=EE=E7=ED= =E8=EA=ED=E5=F2 =EF=F0=E8
=ED=E0=F1=EB=E5=E4=EE=E2=E0=ED=E8=E8, =EA=EE= =E3=E4=E0 =FF =E2=EE=EE=E1=F9=E5 =ED=E5 =E2=E8=E6=F3, =EA=E0=EA=E8=E5 =EF= =EE=EB=FF =E5=F1=F2=FC =F3 =EA=EB=E0=F1=F1=E0)

=C8=F1=EF=F0=E0= =E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5=F0:
// One way to fix the problem int i =3D = 0; = int j =3D = 0; = int k =3D = 0; public = boolean hits(Point[] p2list) { for(i= nt i =3D 0; i < p2lis= t.length; i++) { Point p2 =3D p2list[i]; if (p2.x =3D=3D this.i && p2.y =3D=3D t= his.j) return true; } return false; } // ***************************** // =C1=EE=EB=E5=E5 =EB=F3=F7=F8=E8=E9 =F1=EF=EE=F1= =EE=E1 int x =3D = 0; = int y =3D = 0; = int z =3D = 0; public = boolean hits(Point[] p2list) { for(i= nt i =3D 0; i < p2lis= t.length; i++) { Point p2 =3D p2list[i]; if (p2.x =3D=3D x && p2.y =3D= =3D y) return true; } return false; }

=C5=F9=E5 =EE=E4=ED=EE =E2=EE=E7=EC=EE=E6=ED= =EE=E5 =EC=E5=F1=F2=EE =EF=EE=FF=E2=EB=E5=ED=E8=FF =FD=F2=EE=E9 =EE=F8=E8= =E1=EA=E8 - =E7=E0=E4=E0=ED=E8=E5 =E8=EC=E5=ED=E8 =EF=E0=F0=E0=EC=E5=F2=F0= =E0
=EC=E5=F2=EE=E4=E0 =F2=E0=EA=E8=EC =E6=E5, =EA=E0=EA =E8 =E8=EC=FF= =EF=EE=EB=FF =EA=EB=E0=F1=F1=E0. =DD=F2=EE =F5=EE=F0=EE=F8=EE =E2=FB=E3= =EB=FF=E4=E8=F2 =E2 =EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0=F5,
=ED=EE = =E4=EB=FF =EE=E1=FB=F7=ED=FB=F5 =EC=E5=F2=EE=E4=EE=E2 =ED=E5 =EF=EE=E4=F5= =EE=E4=E8=F2.

=EF=F0=E8=EC. =EF=E5=F0= =E5=E2.

=ED=E5=EC=ED=EE=E3=EE =F1=F3=EC=E1=F3=F0=ED= =EE, =ED=EE =F1=EC=FB=F1=EB =F2=E0=EA=EE=E9
=
public cl= ass Test { private <= B>int param =3D 0; public Test(int param) { this.param =3D param; } }
=F2=EE =E5=F1=F2=FC =E2 =EA=EE=ED=F1=F2=F0=F3=EA= =F2=EE=F0=E5 =E2=F1=E5 =F1=EC=EE=F2=F0=E8=F2=F1=FF =EA=F0=E0=F1=E8=E2=EE= , =ED=EE =E4=EB=FF =EE=E1=FB=F7=ED=FB=F5 =EC=E5=F2=EE=E4=EE=E2
=EF=F0= =E8=EC=E5=ED=FF=F2=FC =FD=F2=EE =ED=E5 =F1=EB=E5=E4=F3=E5=F2.

6. =C7=E0=E1=FB=EB =E2=FB=E7=E2=E0=F2=FC =EA=EE= =ED=F1=F2=F0=F3=EA=F2=EE=F0 =F0=EE=E4=E8=F2=E5=EB=FF (=F1=F3=EF=E5=F0=EA= =EB=E0=F1=F1=E0).

=CA=EE=E3=E4=E0 =EA=EB=E0=F1=F1 =F0=E0=F1=F8= =E8=F0=FF=E5=F2 =E4=F0=F3=E3=EE=E9 =EA=EB=E0=F1=F1, =EA=E0=E6=E4=FB=E9 =EA= =EE=ED=F1=F2=F0=F3=EA=F2=EE=F0 =EF=EE=E4=EA=EB=E0=F1=F1=E0 =E4=EE=EB=E6=E5= =ED
=E2=FB=E7=E2=E0=F2=FC =EA=E0=EA=EE=E9-=EB=E8=E1=EE =EA=EE=ED=F1=F2= =F0=F3=EA=F2=EE=F0 =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0. =CE=E1=FB=F7=ED=EE= =FD=F2=EE =E4=EE=F1=F2=E8=E3=E0=E5=F2=F1=FF =E2=FB=E7=EE=E2=EE=EC
=EA= =EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0 =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0 =EC=E5= =F2=EE=E4=EE=EC super(x), =EF=EE=EC=E5=F9=E5=ED=ED=FB=EC =E2 =EF=E5= =F0=E2=EE=E9 =F1=F2=F0=EE=EA=E5
=EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0= . =C5=F1=EB=E8 =E2 =EF=E5=F0=E2=EE=E9 =F1=F2=F0=EE=EA=E5 =EA=EE=ED=E2=F2= =F0=F3=EA=F2=EE=F0=E0 =ED=E5=F2 =E2=FB=E7=EE=E2=E0 super(x),
= =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =F1=E0=EC=EE=F1=F2=EE=FF=F2=E5=EB=FC=ED=EE= =E2=F1=F2=E0=E2=EB=FF=E5=F2 =FD=F2=EE=F2 =E2=FB=E7=EE=E2, =ED=EE =E1=E5= =E7 =EF=E0=F0=E0=EC=E5=F2=F0=EE=E2: super().
(=EF=F0=E8=EC. =EF= =E5=F0=E5=E2.: =F5...=F1=E5, =E0 =FF =E8 =ED=E5 =E7=ED=E0=EB )

=C8= =ED=EE=E3=E4=E0 =F1=F2=F3=E4=E5=ED=F2=FB =E7=E0=E1=FB=E2=E0=FE=F2 =EE=E1= =FD=F2=EE=EC =F2=F0=E5=E1=EE=E2=E0=ED=E8=E8. =CE=E1=FB=F7=ED=EE =FD=F2=EE= =ED=E5 =FF=E2=EB=FF=E5=F2=F1=FF
=EF=F0=EE=E1=EB=E5=EC=EE=E9: =E2=FB= =E7=EE=E2 =EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0 =F1=F3=EF=E5=F0=EA=EB=E0=F1= =F1=E0 =E2=F1=F2=E0=E2=EB=FF=E5=F2=F1=FF =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0=EE= =EC =E8 =E2=F1=E5
=F0=E0=E1=EE=F2=E0=E5=F2 =EE=F2=EB=E8=F7=ED=EE. =CE= =E4=ED=E0=EA=EE =E5=F1=EB=E8 =F3 =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0 =ED=E5= =F2 =EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0 =EF=EE =F3=EC=EE=EB=F7=E0=ED=E8= =FE
(=EF=F0=E8=EC. =EF=E5=F0=E5=E2.: =F2=EE =E5=F1=F2=FC =EA=EE=ED=F1= =F2=F0=F3=EA=F2=EE=F0=E0 =E1=E5=E7 =EF=E0=F0=E0=EC=E5=F2=F0=EE=E2), =F2=EE= =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =E2=FB=E4=E0=F1=F2
=EE=F8=E8=E1=EA=F3= . =C2 =EF=F0=E8=EC=E5=F0=E5 =ED=E8=E6=E5 =E2=F1=E5 =EA=EE=ED=F1=F2=F0=F3= =EA=F2=EE=F0=FB =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0 java.io.File =E8=EC=E5= =FE=F2
1 =E8=EB=E8 2 =EF=E0=F0=E0=EC=E5=F2=F0=E0:

=CE=F8=E8= =E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0:
public cl= ass JavaClassFile extends File { String classname; public JavaClassFile(String cl)= { classname =3D cl; } }

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=EA=EE=ED=F1=F2=F0= =F3=EA=F2=EE=F0=E0 =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0:

=C8=F1=EF= =F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5=F0:
<= TR>
public cl= ass JavaClassFile extends File { String classname; public JavaClassFile(String cl)= { super(cl + ".class"); classname =3D cl; } }

=C1=EE=EB=E5=E5 =ED=E5=EF=F0=E8=FF=F2=ED=E0=FF= =F1=E8=F2=F3=E0=F6=E8=FF =E2=EE=E7=ED=E8=EA=E0=E5=F2, =EA=EE=E3=E4=E0 =F3= =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0 =E5=F1=F2=FC =EA=EE=ED=F1=F2=F0=F3=EA= =F2=EE=F0
=EF=EE =F3=EC=EE=EB=F7=E0=ED=E8=FE, =ED=EE =EE=ED =ED=E5 =EF= =EE=EB=ED=EE=F1=F2=FC=FE =E8=ED=E8=F6=E8=E0=EB=E8=E7=E8=F0=F3=E5=F2 =EE=E1= =FA=E5=EA=F2. =C2 =F2=E0=EA=EE=EC =F1=EB=F3=F7=E0=E5
=EA=EE=E4 =F1=EA= =EE=EC=EF=E8=EB=E8=F0=F3=E5=F2=F1=FF, =ED=EE =F0=E5=E7=F3=EB=FC=F2=E0=F2= =F0=E0=E1=EE=F2=FB =EF=F0=EE=E3=F0=E0=EC=EC=FB =EC=EE=E6=E5=F2 =E1=FB=F2= =FC
=ED=E5=EF=F0=E0=E2=E8=EB=FC=ED=FB=EC =E8=EB=E8 =EC=EE=E6=E5=F2 =E2= =EE=E7=ED=E8=EA=ED=F3=F2=FC =E8=F1=EA=EB=FE=F7=E5=ED=E8=E5.

<= b>7. =CD=E5=EF=F0=E0=E2=E8=EB=FC=ED=FB=E9 =EF=E5=F0=E5=F5=E2=E0=F2 =E8=F1= =EA=EB=FE=F7=E5=ED=E8=E9

=D1=E8=F1=F2=E5=EC=E0 =EE=E1=F0=E0=E1= =EE=F2=EA=E8 =E8=F1=EA=EB=FE=F7=E5=ED=E8=E9 =E2 Java =E4=EE=F1=F2=E0=F2=EE= =F7=ED=EE =EC=EE=F9=ED=E0=FF, =ED=EE =F2=F0=F3=E4=ED=E0=FF =E4=EB=FF =EF=EE=ED=E8=EC=E0=ED=E8=FF =ED=EE=E2=E8=F7=EA=E0=EC=E8. =D1=F2=F3=E4=E5= =ED=F2=FB, =F5=EE=F0=EE=F8=EE =E2=EB=E0=E4=E5=FE=F9=E8=E5 C++ =E8=EB=E8 = Ada, =EE=E1=FB=F7=ED=EE =ED=E5
=E8=F1=EF=FB=F2=FB=E2=E0=FE=F2 =F1=EB= =EE=E6=ED=EE=F1=F2=E5=E9, =E2 =EE=F2=EB=E8=F7=E8=E5 =EE=F2 =EF=F0=EE=E3=F0= =E0=EC=EC=E8=F1=F2=EE=E2 C =E8 Fortran. =CF=F0=E8=EC=E5=F0=FB =ED=E8=E6=E5=
=EF=EE=EA=E0=E7=FB=E2=E0=FE=F2 =ED=E5=EA=EE=F2=EE=F0=FB=E5 =F0=E0=F1= =EF=F0=EE=F1=F2=F0=E0=ED=E5=ED=ED=FB=E5 =EE=F8=E8=E1=EA=E8.

=C2 =E4= =E0=ED=ED=EE=EC =EF=F0=E8=EC=E5=F0=E5 =E4=EB=FF =E8=F1=EA=EB=FE=F7=E5=ED= =E8=FF =ED=E5 =F3=EA=E0=E7=E0=ED=EE =E8=EC=FF. =CD=E0 =FD=F2=F3 =EE=F8=E8= =E1=EA=F3 =F3=EA=E0=E6=E5=F2
=EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =ED=E0 =FD= =F2=E0=EF=E5 =EA=EE=EC=EF=E8=EB=FF=F6=E8=E8, =F2=E0=EA =F7=F2=EE =E5=E5 = =EB=E5=E3=EA=EE =E8=F1=EF=F0=E0=E2=E8=F2=FC =F1=E0=EC=EE=F1=F2=EE=FF=F2=E5= =EB=FC=ED=EE.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0:

try {
    stream1 =3D new FileInputStream=
("data.txt");
} catch (IOException) { =

    message("Could not open data.txt");
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

try {
   stream1 =3D new FileInputStream(=
"data.txt");
} catch (IOException ie) {=
; =

   message("Could not open data.txt: " + ie);
}

=CF=EE=F0=FF=E4=EE=EA =F0=E0=F1=EF=EE=EB= =EE=E6=E5=ED=E8=FF =E1=EB=EE=EA=EE=E2 catch =EE=EF=F0=E5=E4=E5=EB=FF=E5=F2= =EE=F7=E5=F0=E5=E4=ED=EE=F1=F2=FC =EF=E5=F0=E5=F5=E2=E0=F2=E0
=E8=F1= =EA=EB=FE=F7=E5=ED=E8=E9. =CD=F3=E6=ED=EE =F3=F7=E8=F2=FB=E2=E0=F2=FC, =F7= =F2=EE =EA=E0=E6=E4=FB=E9 =F2=E0=EA=EE=E9 =E1=EB=EE=EA =EF=E5=F0=E5=F5=E2= =E0=F2=E8=F2 =E2=F1=E5
=E8=F1=EA=EB=FE=F7=E5=ED=E8=FF =F3=EA=E0=E7=E0= =ED=ED=EE=E3=EE =EA=EB=E0=F1=F1=E0 =E8=EB=E8 =EB=FE=E1=EE=E3=EE =E5=E3=EE= =EF=EE=E4=EA=EB=E0=F1=F1=E0. =C5=F1=EB=E8 =ED=E5 =F3=F7=E5=F1=F2=FC =FD=F2=EE, =F2=EE =EC=EE=E6=ED=EE =EF=EE=EB=F3=F7=E8=F2=FC =ED=E5=E4=EE= =F1=F2=E8=E6=E8=EC=FB=E9 =E1=EB=EE=EA catch, =ED=E0 =F7=F2=EE =F3=EA=E0=E6= =E5=F2 =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0.
=C2 =EF=F0=E8=EC=E5=F0=E5 =ED= =E8=E6=E5 SocketException =FF=E2=EB=FF=E5=F2=F1=FF =EF=EE=E4=EA=EB=E0=F1= =F1=EE=EC IOException.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC= =E5=F0:

try {
    serviceSocket.setSoTimeout(1000=
);
    newsock =3D serviceSocket.accept();
} catch (IOException ie) {=
; =

    message("Error accepting connection.");
} catch (SocketException se) &=
#123;
    message("Error setting time-out.");
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

try {
    serviceSocket.setSoTimeout(1000=
);
    newsock =3D serviceSocket.accept();
} catch (SocketException se) &=
#123;
    message("Error setting time-out.");
} catch (IOException ie) {=
; =

    message("Error accepting connection.");
}

=C5=F1=EB=E8 =E2 =EA=EE=E4=E5 =E2=EE=E7=EC= =EE=E6=ED=EE =EF=EE=FF=E2=EB=E5=ED=E8=E5 =E8=F1=EA=EB=FE=F7=E5=ED=E8=FF,= =EA=EE=F2=EE=F0=EE=E5 =ED=E5 =EF=E5=F0=E5=F5=E2=E0=F2=E0=E2=E0=E5=F2=F1= =FF
=ED=E8 =EE=E4=ED=E8=EC =E1=EB=EE=EA=EE=EC try-catch, =F2=EE =FD=F2= =EE =E8=F1=EA=EB=FE=F7=E5=ED=E8=E5 =F1=EB=E5=E4=F3=E5=F2 =EE=E1=FA=FF=E2= =E8=F2=FC =E2 =E7=E0=E3=EE=EB=EE=E2=EA=E5
=EC=E5=F2=EE=E4=E0. (=C4=EB= =FF =E8=F1=EA=EB=FE=F7=E5=ED=E8=E9 - =EF=EE=E4=EA=EB=E0=F1=F1=EE=E2 =EA=EB= =E0=F1=F1=E0 RuntimeException =FD=F2=EE =ED=E5
=EE=E1=FF=E7=E0=F2=E5= =EB=FC=ED=EE). =D1=F2=F3=E4=E5=ED=F2=FB =E8=ED=EE=E3=E4=E0 =E7=E0=E1=FB=E2= =E0=FE=F2 =EE =F2=EE=EC, =F7=F2=EE =E2=FB=E7=EE=E2 =EC=E5=F2=EE=E4=E0 =EC= =EE=E6=E5=F2
=EF=EE=F0=EE=E6=E4=E0=F2=FC =E8=F1=EA=EB=FE=F7=E5=ED=E8= =E5. =CF=F0=EE=F9=E5 =E2=F1=E5=E3=EE =FD=F2=EE =E8=F1=EF=F0=E0=E2=E8=F2=FC= , =EF=EE=EC=E5=F9=E0=FF =E2=FB=E7=EE=E2 =EC=E5=F2=EE=E4=E0 =E2
=E1=EB= =EE=EA try-catch.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0= :

public vo=
id waitFor(int sec) =
3;
    Thread.sleep(sec * 1000);
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

public vo=
id waitFor(int sec) throws InterruptedException {
    Thread.sleep(sec * 1000);
}

8. =CC=E5=F2=EE=E4 =E4=EE=F1=F2=F3=EF= =E0 =E8=EC=E5=E5=F2 =F2=E8=EF void

=DD=F2=EE =EE=F7=E5=ED=FC = =EF=F0=EE=F1=F2=E0=FF =EE=F8=E8=E1=EA=E0. =D1=F2=F3=E4=E5=ED=F2 =F1=EE=E7= =E4=E0=E5=F2 =EC=E5=F2=EE=E4 =E4=EB=FF =E4=EE=F1=F2=F3=EF=E0 =EA =EF=E5=F0= =E5=EC=E5=ED=ED=EE=E9,
=ED=EE =F3=EA=E0=E7=FB=E2=E0=E5=F2, =F7=F2=EE= =EC=E5=F2=EE=E4 =ED=E8=F7=E5=E3=EE =ED=E5 =E2=EE=E7=E2=F0=E0=F9=E0=E5=F2= (=EF=EE=EC=E5=F9=E0=E5=F2 =EC=EE=E4=E8=F4=E8=EA=E0=F2=EE=F0 void=
=E2 =E7=E0=E3=EE=E3=EB=EE=E2=EE=EA =EC=E5=F2=EE=E4=E0). =D7=F2=EE=E1= =FB =E8=F1=EF=F0=E0=E2=E8=F2=FC =FD=F2=F3 =EE=F8=E8=E1=EA=F3, =ED=F3=E6=ED= =EE =F3=EA=E0=E7=E0=F2=FC =EF=F0=E0=E2=E8=EB=FC=ED=FB=E9
=F2=E8=EF =E2= =EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E3=EE =E7=ED=E0=F7=E5=ED=E8=FF.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0:

public cl=
ass Line {
    private Point start, end;
    public <=
B>void getStart() { =

      return start; =

    }
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

public cl=
ass Line {
    private Point start, end;
    public Point getStart() { =

      return start; =

    }
}

=D3=EA=E0=E7=E0=ED=E8=E5 =ED=E5=EF=F0=E0=E2=E8= =EB=FC=ED=EE=E3=EE =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E3=EE =F2=E8=EF=E0 = =EF=EE=F0=EE=E6=E4=E0=E5=F2 =F6=E5=EB=FB=E9 =EA=EB=E0=F1=F1
=EE=F8=E8= =E1=EE=EA. =CE=E1=FB=F7=ED=EE =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =F0=E0=F1=EF= =EE=E7=ED=E0=E5=F2 =FD=F2=E8 =EE=F8=E8=E1=EA=E8 =E8 =F1=EE=EE=E1=F9=E0=E5= =F2 =EE =ED=E8=F5,
=F2=E0=EA =F7=F2=EE =F1=F2=F3=E4=E5=ED=F2=FB =EC=EE= =E3=F3=F2 =F1=E0=EC=EE=F1=F2=EE=FF=F2=E5=EB=FC=ED=EE =E8=F5 =E8=F1=EF=F0= =E0=E2=E8=F2=FC.

9. =C2=FB=E7=EE=E2 =ED=E5=F1=F2=E0=F2=E8=F7= =ED=FB=F5 =EC=E5=F2=EE=E4=EE=E2 =EA=EB=E0=F1=F1=E0 =E8=E7 =EC=E5=F2=EE=E4= =E0 main()

=C2=F5=EE=E4=ED=EE=E9 =F2=EE=F7=EA=EE=E9 =EB=FE=E1= =EE=E9 Java =EF=F0=EE=E3=F0=E0=EC=EC=FB =E4=EE=EB=E6=E5=ED =E1=FB=F2=FC = =F1=F2=E0=F2=E8=F7=ED=FB=E9 =EC=E5=F2=EE=E4 main:

public st=
atic void main(String[] =
args) {
  ...
}

=D2=E0=EA =EA=E0=EA =FD=F2=EE=F2 =EC=E5=F2=EE= =E4 =F1=F2=E0=F2=E8=F7=ED=FB=E9, =ED=E5=EB=FC=E7=FF =E8=E7 =ED=E5=E3=EE = =E2=FB=E7=FB=E2=E0=F2=FC =ED=E5=F1=F2=E0=F2=E8=F7=ED=FB=E5
=EC=E5=F2= =EE=E4=FB =EA=EB=E0=F1=F1=E0. =CE=E1 =FD=F2=EE=EC =F7=E0=F1=F2=EE =E7=E0= =E1=FB=E2=E0=FE=F2 =F1=F2=F3=E4=E5=ED=F2=FB =E8 =EF=FB=F2=E0=FE=F2=F1=FF= =E2=FB=E7=FB=E2=E0=F2=FC
=EC=E5=F2=EE=E4=FB, =ED=E5 =F1=EE=E7=E4=E0= =E2=E0=FF =FD=EA=E7=E5=EC=EF=EB=FF=F0 =EA=EB=E0=F1=F1=E0. =DD=F2=F3 =EE=F8= =E8=E1=EA=F3 =EE=E1=FB=F7=ED=EE =E4=EE=EF=F3=F1=EA=E0=FE=F2 =E2
=F1=E0= =EC=EE=EC =ED=E0=F7=E0=EB=E5 =EE=E1=F3=F7=E5=ED=E8=FF, =EA=EE=E3=E4=E0 =F1= =F2=F3=E4=E5=ED=F2=FB =EF=E8=F8=F3=F2 =EC=E0=EB=E5=ED=FC=EA=E8=E5 =EF=F0= =EE=E3=F0=E0=EC=EC=FB.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC= =E5=F0:

public cl=
ass DivTest {
    boolean divisible(int x, int y=
) {
        return (x % y =3D=3D 0);
    }

    public <=
B>static void main(Strin=
g[] args) {
        int v1 =3D 14;
        int v2 =3D 9;

        // =ED=E0 =F1=EB=E5=E4=F3=FE=F9=E8=E5 =F1=F2=
=F0=EE=EA=E8 =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =E2=FB=E4=E0=F1=F2 =EE=F8=E8=
=E1=EA=F3
        if (divisible(v1, v2)) =
3;
            System.out.println(v1 + " is a multi=
ple of " + v2);
        } else {
            System.out.println(v2 + " does not d=
ivide " + v1);
        }
    }
}

=C5=F1=F2=FC 2 =F1=EF=EE=F1=EE=E1=E0 =E8=F1=EF= =F0=E0=E2=EB=E5=ED=E8=FF =EE=F8=E8=E1=EA=E8: =F1=E4=E5=EB=E0=F2=FC =ED=F3= =E6=ED=FB=E9 =EC=E5=F2=EE=E4 =F1=F2=E0=F2=E8=F7=ED=FB=EC
=E8=EB=E8 =F1= =EE=E7=E4=E0=F2=FC =FD=EA=E7=E5=EC=EF=EB=FF=F0 =EA=EB=E0=F1=F1=E0. =D7=F2= =EE=E1=FB =EF=F0=E0=E2=E8=EB=FC=ED=EE =E2=FB=E1=F0=E0=F2=FC =ED=F3=E6=ED= =FB=E9 =F1=EF=EE=F1=EE=E1,
=E7=E0=E4=E0=E9=F2=E5 =F1=E5=E1=E5 =E2=EE= =EF=F0=EE=F1: =E8=F1=EF=EE=EB=FC=E7=F3=E5=F2 =EB=E8 =EC=E5=F2=EE=E4 =EF=EE= =EB=FF =E8=EB=E8 =E4=F0=F3=E3=E8=E5 =EC=E5=F2=EE=E4=FB =EA=EB=E0=F1=F1=E0= .
=C5=F1=EB=E8 =E4=E0, =F2=EE =F1=EB=E5=E4=F3=E5=F2 =F1=EE=E7=E4=E0=F2= =FC =FD=EA=E7=E5=EC=EF=EB=FF=F0 =EA=EB=E0=F1=F1=E0 =E8 =E2=FB=E7=E2=E0=F2= =FC =F3 =ED=E5=E3=EE =EC=E5=F2=EE=E4,
=E8=ED=E0=F7=E5 =F1=EB=E5=E4=F3= =E5=F2 =F1=E4=E5=EB=E0=F2=FC =EC=E5=F2=EE=E4 =F1=F2=E0=F2=E8=F7=ED=FB=EC= .

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5=F0 1:

public cl=
ass DivTest {
    int modulus;

    public DivTest(int m) { =

      modulus =3D m; =

    }
    =

    boolean divisible(int x) {
        return (x % modulus =3D=3D =
0);
    }

    public <=
B>static void main(Strin=
g[] args) {
        int v1 =3D 14;
        int v2 =3D 9;

        DivTest tester =3D new DivT=
est(v2);

        if (tester.divisible(v1) &#=
123;
            System.out.println(v1 + " is a multi=
ple of " + v2);
        } else {
            System.out.println(v2 + " does not d=
ivide " + v1);
        }
    }
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0 2:


public cl=
ass DivTest {
    static <=
B>boolean divisible(int =
x, int y) {
        return (x % y =3D=3D 0);
    }

    public <=
B>static void main(Strin=
g[] args) {
        int v1 =3D 14;
        int v2 =3D 9;

        if (divisible(v1, v2)) =
3;
            System.out.println(v1 + " is a multi=
ple of " + v2);
        } else {
            System.out.println(v2 + " does not d=
ivide " + v1);
        }
    }
}

10. =C8=F1=EF=EE=EB=FC=E7=EE=E2=E0=ED= =E8=E5 =EE=E1=FA=E5=EA=F2=EE=E2 =EA=EB=E0=F1=F1=E0 String =EA=E0=EA =EF=E0= =F0=E0=EC=E5=F2=F0=EE=E2 =EC=E5=F2=EE=E4=E0.

=C2 Java =EA=EB=E0= =F1=F1 java.lang.String =F5=F0=E0=ED=E8=F2 =F1=F2=F0=EE=EA=EE=E2=FB=E5 =E4= =E0=ED=ED=FB=E5. =CE=E4=ED=E0=EA=EE, =F1=F2=F0=EE=EA=E8 =E2 Java
(1)= =EE=E1=EB=E0=E4=E0=FE=F2 =EF=EE=F1=F2=EE=FF=ED=F1=F2=E2=EE=EC (=F2=EE =E5= =F1=F2=FC =E8=F5 =ED=E5=EB=FC=E7=FF =E8=E7=EC=E5=ED=FF=F2=FC),
(2) =FF= =E2=EB=FF=FE=F2=F1=FF =EE=E1=FA=E5=EA=F2=E0=EC=E8.

=CF=EE=FD=F2=EE= =EC=F3 =F1 =ED=E8=EC=E8 =ED=E5=EB=FC=E7=FF =EE=E1=F0=E0=F9=E0=F2=FC=F1=FF= =EA=E0=EA =EF=F0=EE=F1=F2=EE =F1 =E1=F3=F4=E5=F0=EE=EC =F1=E8=EC=E2=EE=EB= =EE=E2, =FD=F2=EE
=ED=E5=E8=E7=EC=E5=ED=FF=E5=EC=FB=E5 =EE=E1=FA=E5=EA= =F2=FB. =C8=ED=EE=E3=E4=E0 =F1=F2=F3=E4=E5=ED=F2=FB =EF=E5=F0=E5=E4=E0=FE= =F2 =F1=F2=F0=EE=EA=E8, =EE=F8=E8=E1=EE=F7=ED=EE
=F0=E0=F1=F7=E8=F2=FB= =E2=E0=FF =ED=E0 =F2=EE, =F7=F2=EE =F1=F2=F0=EE=EA=E0-=EE=E1=FA=E5=EA=F2= =E1=F3=E4=E5=F2 =EF=E5=F0=E5=E4=E0=ED=E0 =EA=E0=EA =EC=E0=F1=F1=E8=E2 =F1= =E8=EC=E2=EE=EB=EE=E2
=EF=EE =F1=F1=FB=EB=EA=E5 (=EA=E0=EA =E2 C =E8= =EB=E8 C++). =CA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =EE=E1=FB=F7=ED=EE =ED=E5 =F1= =F7=E8=F2=E0=E5=F2 =FD=F2=EE =EE=F8=E8=E1=EA=EE=E9.

=CE=F8=E8=E1= =EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0.

public st= atic void main(String ar= gs[]) { String test1 =3D "Today is "; appendTodaysDate(test1); System.out.println(test1); } /* =EF=F0=E8=EC. =F0=E5=E4=E0=EA=F2=EE=F0=E0: =E7=E0=EA= =EE=EC=EC=E5=ED=F2=E8=F0=EE=E2=E0=ED=ED=FB=E9 =EC=E5=F2=EE=E4 =E4=EE=EB=E6= =E5=ED =E8=EC=E5=F2=FC =EC=EE=E4=E8=F4=E8=EA=E0=F2=EE=F0 static (=E7=E4=E5=F1=FC =E0=E2=F2=EE=F0=EE=EC =E4=EE=EF=F3=F9=E5=ED=E0= =EE=F8=E8=E1=EA=E0 =B99) public void appendTodaysDate(String line) { line =3D line + (new Date()).toString(); } */ public st= atic void appendTodaysDa= te(String line) { line =3D line + (new Date()).to= String(); }

=C2 =EF=F0=E8=EC=E5=F0=E5 =E2=FB=F8=E5 =F1=F2= =F3=E4=E5=ED=F2 =F5=EE=F7=E5=F2 =E8=E7=EC=E5=ED=E8=F2=FC =E7=ED=E0=F7=E5= =ED=E8=E5 =EB=EE=EA=E0=EB=FC=ED=EE=E9 =EF=E5=F0=E5=EC=E5=ED=ED=EE=E9 tes= t1,
=EF=F0=E8=F1=E2=E0=E8=E2=E0=FF =ED=EE=E2=EE=E5 =E7=ED=E0=F7=E5=ED= =E8=E5 =EF=E0=F0=E0=EC=E5=F2=F0=F3 line =E2 =EC=E5=F2=EE=E4=E5 appendTod= aysDate.
=C5=F1=F2=E5=F1=F2=E2=E5=ED=ED=EE =FD=F2=EE =ED=E5 =F1=F0=E0= =E1=EE=F2=E0=E5=F2. =C7=ED=E0=F7=E5=ED=E8=E5 line =E8=E7=EC=E5=ED=E8=F2=F1= =FF, =ED=EE =E7=ED=E0=F7=E5=ED=E8=E5 test1
=EE=F1=F2=E0=ED=E5=F2=F1=FF= =EF=F0=E5=E6=ED=E8=EC.

=DD=F2=E0 =EE=F8=E8=E1=EA=E0 =E2=EE=E7=ED= =E8=EA=E0=E5=F2 =E8=E7-=E7=E0 =ED=E5=EF=EE=ED=E8=EC=E0=ED=E8=FF =F2=EE=E3= =EE, =F7=F2=EE (1) java =EE=E1=FA=E5=EA=F2=FB =E2=F1=E5=E3=E4=E0
=EF= =E5=F0=E5=E4=E0=FE=F2=F1=FF =EF=EE =F1=F1=FB=EB=EA=E5 =E8 (2) =F1=F2=F0=EE= =EA=E8 =E2 Java =ED=E5=E8=E7=EC=E5=ED=FF=E5=EC=FB. =CD=F3=E6=ED=EE =EE=F1= =EC=FB=F1=EB=E8=F2=FC, =F7=F2=EE
=EE=E1=FA=E5=EA=F2=FB-=F1=F2=F0=EE=EA= =E8 =ED=E8=EA=EE=E3=E4=E0 =ED=E5 =E8=E7=EC=E5=ED=FF=FE=F2 =F1=E2=EE=E5=E3= =EE =E7=ED=E0=F7=E5=ED=E8=FF, =E0 =E2=F1=E5 =EE=EF=E5=F0=E0=F6=E8=E8 =ED= =E0=E4
=F1=F2=F0=EE=EA=E0=EC=E8 =F1=EE=E7=E4=E0=FE=F2 =ED=EE=E2=FB=E9= =EE=E1=FA=E5=EA=F2.

=D7=F2=EE=E1=FB =E8=F1=EF=F0=E0=E2=E8=F2=FC = =EE=F8=E8=E1=EA=F3 =E2 =EF=F0=E8=EC=E5=F0=E5 =E2=FB=F8=E5, =ED=F3=E6=ED=EE= =E8=EB=E8 =E2=EE=E7=E2=F0=E0=F9=E0=F2=FC =F1=F2=F0=EE=EA=F3 =E8=E7
= =EC=E5=F2=EE=E4=E0, =E8=EB=E8 =EF=E5=F0=E5=E4=E0=E2=E0=F2=FC =EE=E1=FA=E5= =EA=F2 StringBuffer =EA=E0=EA =EF=E0=F0=E0=EC=E5=F2=F0 =EC=E5=F2=EE=E4=F3= =E2=EC=E5=F1=F2=EE String.

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9= =EF=F0=E8=EC=E5=F0 1:

public st=
atic void main(String ar=
gs[]) {
   String test1 =3D "Today is ";
   test1 =3D appendTodaysDate(test1);
   System.out.println(test1);
}

public st=
atic String appendTodaysDate(String line) {
    return (line + (new Date()).toString());
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0 2:

public st=
atic void main(String ar=
gs[]) {
   StringBuffer test1 =3D new Strin=
gBuffer("Today is ");
   appendTodaysDate(test1);
   System.out.println(test1.toString());
}

public st=
atic void appendTodaysDa=
te(StringBuffer line) {
    line.append((new Date()).toStri=
ng());
}

=EF=F0=E8=EC. = =EF=E5=F0=E5=E2.

=E2=EE=EE=E1=F9=E5-=F2=EE =EF=EE=ED=FF= =F2=FC =E2 =F7=E5=EC =EE=F8=E8=E1=EA=E0 =ED=E5 =F2=E0=EA =EF=F0=EE=F1=F2= =EE.
=F2=E0=EA =EA=E0=EA =EE=E1=FA=E5=EA=F2=FB =EF=E5=F0=E5=E4=E0=FE=F2= =F1=FF =EF=EE =F1=F1=FB=EB=EA=E5, =F2=EE =E7=ED=E0=F7=E8=F2 line =F1=F1=FB= =EB=E0=E5=F2=F1=FF =F2=F3=E4=E0 =E6=E5,
=EA=F3=E4=E0 =E8 test1. =C0 = =E7=ED=E0=F7=E8=F2 =F1=EE=E7=E4=E0=E2=E0=FF =ED=EE=E2=FB=E9 line, =EC=FB= =F1=EE=E7=E4=E0=E5=EC =ED=EE=E2=FB=E9 test1.
=E2 =ED=E5=EF=F0=E0=E2=E8= =EB=FC=ED=EE=EC =EF=F0=E8=EC=E5=F0=E5 =E2=F1=E5 =E2=FB=E3=EB=FF=E4=E8=F2= =F2=E0=EA, =EA=E0=EA =E1=F3=E4=F2=EE =EF=E5=F0=E5=E4=E0=F7=E0 String =E8= =E4=E5=F2
=EF=EE =E7=ED=E0=F7=E5=ED=E8=FE, =E0 =ED=E5 =EF=EE =F1=F1=FB= =EB=EA=E5.

11. =CE=E1=FA=FF=E2=EB=E5= =ED=E8=E5 =EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0 =EA=E0=EA =EC=E5=F2=EE=E4= =E0

=CA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=FB =EE=E1=FA=E5=EA=F2=EE= =E2 =E2 Java =E2=ED=E5=F8=ED=E5 =EF=EE=F5=EE=E6=FB =ED=E0 =EE=E1=FB=F7=ED= =FB=E5 =EC=E5=F2=EE=E4=FB. =C5=E4=E8=ED=F1=F2=E2=E5=ED=ED=FB=E5
=EE=F2= =EB=E8=F7=E8=FF - =F3 =EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0 =ED=E5 =F3=EA= =E0=E7=FB=E2=E0=E5=F2=F1=FF =F2=E8=EF =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E3= =EE =E7=ED=E0=F7=E5=ED=E8=FF =E8
=ED=E0=E7=E2=E0=ED=E8=E5 =F1=EE=E2=EF= =E0=E4=E0=E5=F2 =F1 =E8=EC=E5=ED=E5=EC =EA=EB=E0=F1=F1=E0. =CA =ED=E5=F1= =F7=E0=F1=F2=FC=FE, Java =E4=EE=EF=F3=F1=EA=E0=E5=F2 =E7=E0=E4=E0=ED=E8=E5=
=E8=EC=E5=ED=E8 =EC=E5=F2=EE=E4=E0, =F1=EE=E2=EF=E0=E4=E0=FE=F9=E5=E3= =EE =F1 =ED=E0=E7=E2=E0=ED=E8=E5=EC =EA=EB=E0=F1=F1=E0.

=C2 =EF=F0= =E8=EC=E5=F0=E5 =ED=E8=E6=E5, =F1=F2=F3=E4=E5=ED=F2 =F5=EE=F7=E5=F2 =EF=F0= =EE=E8=ED=E8=F6=E8=E0=EB=E8=E7=E8=F0=EE=E2=E0=F2=FC =EF=EE=EB=E5 =EA=EB=E0= =F1=F1=E0 Vector list
=EF=F0=E8 =F1=EE=E7=E4=E0=ED=E8=E8 =EA=EB=E0=F1= =F1=E0. =DD=F2=EE=E3=EE =ED=E5 =EF=F0=EE=E8=E7=EE=E9=E4=E5=F2, =F2=E0=EA= =EA=E0=EA =EC=E5=F2=EE=E4 'IntList' - =FD=F2=EE =ED=E5
=EA=EE=ED=F1= =F2=F0=F3=EA=F2=EE=F0.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC= =E5=F0.

public cl=
ass IntList {
    Vector list;

    // =C2=FB=E3=EB=FF=E4=E8=F2 =EA=E0=EA =EA=EE=ED=
=F1=F2=F0=F3=EA=F2=EE=F0, =ED=EE =ED=E0 =F1=E0=EC=EE=EC =E4=E5=EB=E5 =FD=
=F2=EE =EC=E5=F2=EE=E4
    public <=
B>void IntList() {
        list =3D new Vector();
    }

    public append(int n) {
        list.addElement(new Integer=
(n));
    }
}

=CA=EE=E4 =E2=FB=E4=E0=F1=F2 =E8=F1=EA=EB=FE= =F7=E5=ED=E8=E5 NullPointerException =EF=F0=E8 =EF=E5=F0=E2=EE=EC =E6=E5= =EE=E1=F0=E0=E6=E5=ED=E8=E8 =EA =EF=EE=EB=FE
list. =CE=F8=E8=E1=EA=F3= =EB=E5=E3=EA=EE =E8=F1=EF=F0=E0=E2=E8=F2=FC: =ED=F3=E6=ED=EE =EF=F0=EE=F1= =F2=EE =F3=E1=F0=E0=F2=FC =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E5 =E7=ED=E0= =F7=E5=ED=E8=E5
=E8=E7 =E7=E0=E3=EE=EB=EE=E2=EA=E0 =EC=E5=F2=EE=E4=E0= .

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5=F0:=

public cl=
ass IntList {
    Vector list;

    // =DD=F2=EE =EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=

    public IntList() {
        list =3D new Vector();
    }

    public append(int n) {
        list.addElement(new Integer=
(n));
    }
}

12. =C7=E0=E1=FB=EB =EF=F0=E8=E2=E5=F1= =F2=E8 =EE=E1=FA=E5=EA=F2 =EA =ED=F3=E6=ED=EE=EC=F3 =F2=E8=EF=F3.
=CA=E0=EA =E8 =E2=EE =E2=F1=E5=F5 =E4=F0=F3=E3=E8=F5 =EE=E1=FA=E5=EA= =F2=ED=EE-=EE=F0=E8=E5=ED=F2=E8=F0=EE=E2=E0=ED=ED=FB=F5 =FF=E7=FB=EA=E0=F5= , =E2 Java =EC=EE=E6=ED=EE
=EE=E1=F0=E0=F9=E0=F2=FC=F1=FF =EA =EE=E1= =FA=E5=EA=F2=F3 =EA=E0=EA =EA =E5=E3=EE =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=F3= . =DD=F2=EE =ED=E0=E7=FB=E2=E0=E5=F2=F1=FF 'upcasting',
=EE=ED =E2=FB= =EF=EE=EB=ED=FF=E5=F2=F1=FF =E2 Java =E0=E2=F2=EE=EC=E0=F2=E8=F7=E5=F1=EA= =E8. =CE=E4=ED=E0=EA=EE, =E5=F1=EB=E8 =EF=E5=F0=E5=EC=E5=ED=ED=E0=FF, =EF= =EE=EB=E5
=EA=EB=E0=F1=F1=E0 =E8=EB=E8 =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC= =EE=E5 =E7=ED=E0=F7=E5=ED=E8=E5 =EC=E5=F2=EE=E4=E0 =EE=E1=FA=FF=E2=EB=E5= =ED=EE =EA=E0=EA =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1, =EF=EE=EB=FF
=E8 =EC= =E5=F2=EE=E4=FB =EF=EE=E4=EA=EB=E0=F1=F1=E0 =E1=F3=E4=F3=F2 =ED=E5=E2=E8= =E4=E8=EC=FB. =CE=E1=F0=E0=F9=E5=ED=E8=E5 =EA =F1=F3=EF=E5=F0=EA=EB=E0=F1= =F1=F3 =EA=E0=EA =EA =EF=EE=E4=EA=EB=E0=F1=F1=F3
=ED=E0=E7=FB=E2=E0=E5= =F2=F1=FF 'downcasting', =E5=E3=EE =ED=F3=E6=ED=EE =EF=F0=EE=EF=E8=F1=FB= =E2=E0=F2=FC =F1=E0=EC=EE=F1=F2=EE=FF=F2=E5=EB=FC=ED=EE (=F2=EE =E5=F1=F2= =FC
=EF=F0=E8=E2=E5=F1=F2=E8 =EE=E1=FA=E5=EA=F2 =EA =ED=F3=E6=ED=EE=EC= =F3 =EF=EE=E4=EA=EB=E0=F1=F1=F3).

=D1=F2=F3=E4=E5=ED=F2=FB =F7=E0= =F1=F2=EE =E7=E0=E1=FB=E2=E0=FE=F2 =EE =EF=F0=E8=E2=E5=E4=E5=ED=E8=E8 =EE= =FA=E5=EA=F2=E0 =EA =EF=EE=E4=EA=EB=E0=F1=F1=F3. =D7=E0=F9=E5 =E2=F1=E5=E3= =EE =FD=F2=EE
=F1=EB=F3=F7=E0=E5=F2=F1=FF =EF=F0=E8 =E8=F1=EF=EE=EB=FC= =E7=EE=E2=E0=ED=E8=E8 =EC=E0=F1=F1=E8=E2=EE=E2 =EE=E1=FA=E5=EA=F2=EE=E2 = Object =E8 =EA=EE=EB=EB=E5=EA=F6=E8=E9 =E8=E7 =EF=E0=EA=E5=F2=E0
jav= a.util (=E8=EC=E5=E5=F2=F1=FF =E2=E2=E8=E4=F3 Collection Framework). =C2= =EF=F0=E8=EC=E5=F0=E5 =ED=E8=E6=E5 =EE=E1=FA=E5=EA=F2 String
=E7=E0= =ED=EE=F1=E8=F2=F1=FF =E2 =EC=E0=F1=F1=E8=E2, =E0 =E7=E0=F2=E5=EC =E8=E7= =E2=EB=E5=EA=E0=E5=F2=F1=FF =E8=E7 =EC=E0=F1=F1=E8=E2=E0 =E4=EB=FF =F1=F0= =E0=E2=ED=E5=ED=E8=FF =F1 =E4=F0=F3=E3=EE=E9
=F1=F2=F0=EE=EA=EE=E9. = =CA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =EE=E1=ED=E0=F0=F3=E6=E8=F2 =EE=F8=E8=E1=EA= =F3 =E8 =ED=E5 =F1=F2=E0=ED=E5=F2 =EA=EE=EC=EF=E8=EB=E8=F0=EE=E2=E0=F2=FC= =EA=EE=E4, =EF=EE=EA=E0 =ED=E5
=E1=F3=E4=E5=F2 =FF=E2=ED=EE =F3=EA=E0= =E7=E0=ED=EE =EF=F0=E8=E2=E5=E4=E5=ED=E8=E5 =F2=E8=EF=EE=E2.

=CE= =F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0.

Object arr[] =3D new Object[10];
arr[0] =3D "=
;m"; =

arr[1] =3D <=
B>new Character('m');

String arg =3D args[0];
if (arr[0=
].compareTo(arg) < 0)=
 {
    System.out.println(arg + " comes before &quo=
t; + arr[0]);
}

=D1=EC=FB=F1=EB =EF=F0=E8=E2=E5=E4=E5=ED=E8=FF= =F2=E8=EF=EE=E2 =E4=EB=FF =ED=E5=EA=EE=F2=EE=F0=FB=F5 =EE=EA=E0=E7=FB=E2= =E0=E5=F2=F1=FF =E7=E0=F2=F0=F3=E4=ED=E8=F2=E5=EB=FC=ED=FB=EC.
=CE=F1= =EE=E1=E5=ED=ED=EE =F7=E0=F1=F2=EE =E7=E0=F2=F0=F3=E4=ED=E5=ED=E8=FF =E2= =FB=E7=FB=E2=E0=FE=F2 =E4=E8=ED=E0=EC=E8=F7=E5=F1=EA=E8=E5 =EC=E5=F2=EE=E4= =FB. =C2 =EF=F0=E8=EC=E5=F0=E5 =E2=FB=F8=E5,
=E5=F1=EB=E8 =E1=FB =E8= =F1=EF=EE=EB=FC=E7=EE=E2=E0=EB=F1=FF =EC=E5=F2=EE=E4 equals =E2=EC=E5=F1= =F2=EE compareTo, =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =E1=FB =ED=E5
=E2=FB= =E4=E0=EB =EE=F8=E8=E1=EA=F3, =E8 =EA=EE=E4 =E1=FB =EF=F0=E0=E2=E8=EB=FC= =ED=EE =EE=F2=F0=E0=E1=EE=F2=E0=EB, =F2=E0=EA =EA=E0=EA =E2=FB=E7=E2=E0=EB= =F1=FF =E1=FB =EC=E5=F2=EE=E4
equals =E8=EC=E5=ED=ED=EE =EA=EB=E0=F1= =F1=E0 String. =CD=F3=E6=ED=EE =EF=EE=ED=FF=F2=FC, =F7=F2=EE =E4=E8=ED=E0= =EC=E8=F7=E5=F1=EA=EE=E5 =F1=E2=FF=E7=FB=E2=E0=ED=E8=E5 =EE=F2=EB=E8=F7=E0= =E5=F2=F1=FF =EE=F2 downcasting.

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED= =FB=E9 =EF=F0=E8=EC=E5=F0:

Object arr[] =3D new Object[10];
arr[0] =3D "=
;m"; =

arr[1] =3D <=
B>new Character('m');

String arg =3D args[0];
if ( ((String) arr[0]).compareTo(arg) < 0=
) {
    System.out.println(arg + " comes before &quo=
t; + arr[0]);
}

13. =C8=F1=EF=EE=EB=FC=E7=EE=E2=E0=ED= =E8=E5 =E8=ED=F2=E5=F0=F4=E5=E9=F1=EE=E2.

=C4=EB=FF =EC=ED=EE= =E3=E8=F5 =F1=F2=F3=E4=E5=ED=F2=EE=E2 =ED=E5 =F1=EE=E2=F1=E5=EC =FF=F1=ED= =E0 =F0=E0=E7=ED=E8=F6=E0 =EC=E5=E6=E4=F3 =EA=EB=E0=F1=F1=E0=EC=E8 =E8 =E8= =ED=F2=E5=F0=F4=E5=E9=F1=E0=EC=E8.
=CF=EE=FD=F2=EE=EC=F3, =ED=E5=EA=EE= =F2=EE=F0=FB=E5 =F1=F2=F3=E4=E5=ED=F2=FB =EF=FB=F2=E0=FE=F2=F1=FF =F0=E5= =E0=EB=E8=E7=EE=E2=E0=F2=FC =E8=ED=F2=E5=F0=F4=E5=E9=F1=FB, =F2=E0=EA=E8= =E5 =EA=E0=EA
Observer =E8=EB=E8 Runnable, =F1 =EF=EE=EC=EE=F9=FC=FE= =EA=EB=FE=F7=E5=E2=EE=E3=EE =F1=EB=EE=E2=E0 extends, =E2=EC=E5=F1=F2=EE= implements.
=C4=EB=FF =E8=F1=EF=F0=E0=E2=EB=E5=ED=E8=FF =EE=F8=E8=E1= =EA=E8, =ED=F3=E6=ED=EE =EF=F0=EE=F1=F2=EE =E8=F1=EF=F0=E0=E2=E8=F2=FC =EA= =EB=FE=F7=E5=E2=EE=E5 =F1=EB=EE=E2=EE =ED=E0 =E2=E5=F0=ED=EE=E5.

= =CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0.
<= TR>

public cl=
ass SharkSim extends Run=
nable {
    float length;
    ...
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

public cl=
ass SharkSim implements =
Runnable {
    float length;
    ...
}

=D1=E2=FF=E7=E0=ED=ED=E0=FF =F1 =FD=F2=E8=EC= =EE=F8=E8=E1=EA=E0: =ED=E5=EF=F0=E0=E2=E8=EB=FC=ED=FB=E9 =EF=EE=F0=FF=E4= =EE=EA =E1=EB=EE=EA=EE=E2 extends =E8 implements.
=D1=EE=E3=EB=E0=F1= =ED=EE =F1=EF=E5=F6=E8=F4=E8=EA=E0=F6=E8=E8 Java, =EE=E1=FA=FF=E2=EB=E5=ED= =E8=E5 =EE =F0=E0=F1=F8=E8=F0=E5=ED=E8=E8 =EA=EB=E0=F1=F1=E0 =E4=EE=EB=E6= =ED=EE =E8=E4=F2=E8
=EF=E5=F0=E5=E4 =EE=E1=FA=FF=E2=EB=E5=ED=E8=FF=EC= =E8 =EE =F0=E5=E0=EB=E8=E7=E0=F6=E8=E8 =E8=ED=F2=E5=F0=F4=E5=E9=F1=EE=E2= . =D2=E0=EA=E6=E5, =E4=EB=FF =E8=ED=F2=E5=F0=F4=E5=E9=F1=EE=E2
=EA=EB= =FE=F7=E5=E2=EE=E5 =F1=EB=EE=E2=EE implements =ED=F3=E6=ED=EE =EF=E8=F1=E0= =F2=FC =E2=F1=E5=E3=EE 1 =F0=E0=E7, =ED=E5=F1=EA=EE=EB=FC=EA=EE =E8=ED=F2= =E5=F0=F4=E5=E9=F1=EE=E2
=F0=E0=E7=E4=E5=EB=FF=FE=F2=F1=FF =E7=E0=EF= =FF=F2=FB=EC=E8.

=C5=F9=E5 =F0=FF=E4 =EE=F8=E8=E1=EE=F7=ED=FB=F5= =EF=F0=E8=EC=E5=F0=EE=E2:

// =CD=E5=EF=F0=E0=E2=E8=EB=FC=ED=FB=E9 =EF=EE=F0=FF=
=E4=EE=EA
public cl=
ass SharkSim implements =
Swimmer extends Animal {
    float length;
    ...
}

// =EA=EB=FE=F7=E5=E2=EE=E5 =F1=EB=EE=E2=EE implem=
ents =E2=F1=F2=F0=E5=F7=E0=E5=F2=F1=FF =ED=E5=F1=EA=EE=EB=FC=EA=EE =F0=E0=
=E7
public cl=
ass DiverSim implements =
Swimmer implements Runnable {
    int airLeft;
    ...
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E5 =EF=F0= =E8=EC=E5=F0=FB:

// =CF=F0=E0=E2=E8=EB=FC=ED=FB=E9 =EF=EE=F0=FF=E4=EE=
=EA
public cl=
ass SharkSim extends Ani=
mal implements Swimmer {
    float length;
    ...
}

// =CD=E5=F1=EA=EE=EB=FC=EA=EE =E8=ED=F2=E5=F0=F4=E5=
=E9=F1=EE=E2 =F0=E0=E7=E4=E5=EB=FF=FE=F2=F1=FF =E7=E0=EF=FF=F2=FB=EC=E8<=
/FONT>
public cl=
ass DiverSim implements =
Swimmer, Runnable {
    int airLeft;
    ...
}

14. =C7=E0=E1=FB=EB =E8=F1=EF=EE=EB=FC= =E7=EE=E2=E0=F2=FC =E7=ED=E0=F7=E5=ED=E8=E5, =E2=EE=E7=E2=F0=E0=F9=E0=E5= =EC=EE=E5 =EC=E5=F2=EE=E4=EE=EC =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0
Java =EF=EE=E7=E2=EE=EB=FF=E5=F2 =E2=FB=E7=FB=E2=E0=F2=FC =E8=E7 =EF= =EE=E4=EA=EB=E0=F1=F1=E0 =E0=ED=E0=EB=EE=E3=E8=F7=ED=FB=E9 =EC=E5=F2=EE=E4= =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0 =F1
=EF=EE=EC=EE=F9=FC=FE =EA=EB=FE= =F7=E5=E2=EE=E3=EE =F1=EB=EE=E2=E0 keyword. =C8=ED=EE=E3=E4=E0 =F1=F2=F3= =E4=E5=ED=F2=E0=EC =EF=F0=E8=F5=EE=E4=E8=F2=F1=FF =E2=FB=E7=FB=E2=E0=F2=FC=
=EC=E5=F2=EE=E4=FB =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0, =ED=EE =EF=F0= =E8 =FD=F2=EE=EC =F7=E0=F1=F2=EE =EE=ED=E8 =E7=E0=E1=FB=E2=E0=FE=F2 =E8=F1= =EF=EE=EB=FC=E7=EE=E2=E0=F2=FC
=E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E5 = =E7=ED=E0=F7=E5=ED=E8=E5. =CE=F1=EE=E1=E5=ED=ED=EE =F7=E0=F1=F2=EE =FD=F2= =EE =F1=EB=F3=F7=E0=E5=F2=F1=FF =F3 =F2=E5=F5 =F1=F2=F3=E4=E5=ED=F2=EE=E2= ,
=EA=EE=F2=EE=F0=FB=E5 =E5=F9 =ED=E5 =EE=F1=EC=FB=F1=EB=E8=EB=E8 =EC= =E5=F2=EE=E4=FB =E8 =E8=F5 =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=FB=E5 =E7=ED=E0= =F7=E5=ED=E8=FF.

=C2 =EF=F0=E8=EC=E5=F0=E5 =ED=E8=E6=E5 =F1=F2=F3= =E4=E5=ED=F2 =F5=EE=F7=E5=F2 =E2=F1=F2=E0=E2=E8=F2=FC =F0=E5=E7=F3=EB=FC= =F2=E0=F2 =EC=E5=F2=EE=E4=E0 toString()
=F1=F3=EF=E5=F0=EA=EB=E0=F1=F1= =E0 =E2 =F0=E5=E7=F3=EB=FC=F2=E0=F2 =EC=E5=F2=EE=E4=E0 toString() =EF=EE= =E4=EA=EB=E0=F1=F1=E0. =CF=F0=E8 =FD=F2=EE=EC =EE=ED =ED=E5
=E8=F1=EF= =EE=EB=FC=E7=F3=E5=F2 =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E5 =E7=ED=E0=F7=E5= =ED=E8=E5 =EC=E5=F2=EE=E4=E0 =F1=F3=EF=E5=F0=EA=EB=E0=F1=F1=E0.

<= u>=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0.
<= TR>

public cl=
ass GraphicalRectangle extends<=
/font> Rectangle {
      Color fillColor;
      boolean beveled;
      ...
      public String toString() =
3;
          super();
          return("color=3D" + fillColor + ", be=
veled=3D" + beveled);
      }
}

=C4=EB=FF =E8=F1=EF=F0=E0=E2=EB=E5=ED=E8=FF = =EE=F8=E8=E1=EA=E8 =EE=E1=FB=F7=ED=EE =E4=EE=F1=F2=E0=F2=EE=F7=ED=EE =EF= =F0=E8=F1=E2=EE=E8=F2=FC =E2=EE=E7=E2=F0=E0=F9=E0=E5=EC=EE=E5
=E7=ED= =E0=F7=E5=ED=E8=E5 =EB=EE=EA=E0=EB=FC=ED=EE=E9 =EF=E5=F0=E5=EC=E5=ED=ED=EE= =E9, =E8 =E7=E0=F2=E5=EC =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC =FD=F2=F3 = =EF=E5=F0=E5=EC=E5=ED=ED=F3=FE
=EF=F0=E8 =E2=FB=F7=E8=F1=EB=E5=ED=E8= =E8 =F0=E5=E7=F3=EB=FC=F2=E0=F2=E0 =EC=E5=F2=EE=E4=E0 =EF=EE=E4=EA=EB=E0= =F1=F1=E0.

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5= =F0:

public cl=
ass GraphicalRectangle extends<=
/font> Rectangle {
      Color fillColor;
      boolean beveled;
      ...
      public String toString() =
3;
          String rectStr =3D super(=
);
          return(rectStr + " - " +
         "color=3D" + fillColor + ", beveled=3D" + beveled);
      }
}

15. =C7=E0=E1=FB=EB =E4=EE=E1=E0=E2=E8= =F2=FC AWT =EA=EE=EC=EF=EE=ED=E5=ED=F2=FB

=C2 AWT =E8=F1=EF=EE= =EB=FC=E7=F3=E5=F2=F1=FF =EF=F0=EE=F1=F2=E0=FF =EC=EE=E4=E5=EB=FC =EF=EE= =F1=F2=F0=EE=E5=ED=E8=FF =E3=F0=E0=F4=E8=F7=E5=F1=EA=EE=E3=EE =E8=ED=F2=E5= =F0=F4=E5=E9=F1=E0:
=EA=E0=E6=E4=FB=E9 =EA=EE=EC=EF=EE=ED=E5=ED=F2 =E8= =ED=F2=E5=F0=F4=E5=E9=F1=E0 =E4=EE=EB=E6=E5=ED =E1=FB=F2=FC =F1=ED=E0=F7= =E0=EB=E0 =F1=EE=E7=E4=E0=ED =F1 =EF=EE=EC=EE=F9=FC=FE =F1=E2=EE=E5=E3=EE=
=EA=EE=ED=F1=F2=F0=F3=EA=F2=EE=F0=E0, =E0 =E7=E0=F2=E5=EC =EF=EE=EC= =E5=F9=E5=ED =E2 =EE=EA=ED=EE =EF=F0=E8=EB=EE=E6=E5=ED=E8=FF =F1 =EF=EE=EC= =EE=F9=FC=FE =EC=E5=F2=EE=E4=E0 add()
=F0=EE=E4=E8=F2=E5=EB=FC=F1=EA= =EE=E3=EE =EA=EE=EC=EF=EE=ED=E5=ED=F2=E0. =D2=E0=EA=E8=EC =EE=E1=F0=E0=E7= =EE=EC, =E8=ED=F2=E5=F0=F4=E5=E9=F1 =ED=E0 AWT =EF=EE=EB=F3=F7=E0=E5=F2 =
=E8=E5=F0=E0=F0=F5=E8=F7=E5=F1=EA=F3=FE =F1=F2=F0=F3=EA=F2=F3=F0=F3.=

=D1=F2=F3=E4=E5=ED=F2=FB =E8=ED=EE=E3=E4=E0 =E7=E0=E1=FB=E2=E0=FE= =F2 =EE=E1 =FD=F2=E8=F5 2=F5 =F8=E0=E3=E0=F5. =CE=ED=E8 =F1=EE=E7=E4=E0=FE= =F2 =EA=EE=EC=EF=EE=ED=E5=ED=F2, =ED=EE
=E7=E0=E1=FB=E2=E0=FE=F2 =F0= =E0=E7=EC=E5=F1=F2=E8=F2=FC =E5=E3=EE =E2 =EE=EA=ED=E5 =EF=F0=E8=EE=E6=E5= =ED=E8=FF. =DD=F2=EE =ED=E5 =E2=FB=E7=EE=E2=E5=F2 =EE=F8=E8=E1=EE=EA =ED= =E0 =FD=F2=E0=EF=E5
=EA=EE=EC=EF=E8=EB=FF=F6=E8=E8, =EA=EE=EC=EF=EE=ED= =E5=ED=F2 =EF=F0=EE=F1=F2=EE =ED=E5 =EE=F2=EE=E1=F0=E0=E7=E8=F2=F1=FF =E2= =EE=EA=ED=E5 =EF=F0=E8=EB=EE=E6=E5=ED=E8=FF.

=CE=F8=E8=E1=EE=F7= =ED=FB=E9 =EF=F0=E8=EC=E5=F0.

public cl=
ass TestFrame extends Fr=
ame implements ActionListener {=
;
    public Button exit;

    public TestFrame() {
        super(&q=
uot;Test Frame");
        exit =3D new Button("Quit");
    }
}

=D7=F2=EE=E1=FB =E8=F1=EF=F0=E0=E2=E8=F2=FC = =FD=F2=F3 =EE=F8=E8=E1=EA=F3, =ED=E5=EE=E1=F5=EE=E4=E8=EC=EE =EF=F0=EE=F1= =F2=EE =E4=EE=E1=E0=E2=E8=F2=FC =EA=EE=EC=EF=EE=ED=E5=ED=F2=FB =EA
=F1= =E2=EE=E8=EC =F0=EE=E4=E8=F2=E5=EB=FF=EC. =CF=F0=E8=EC=E5=F0 =ED=E8=E6=E5= =EF=EE=EA=E0=E7=FB=E2=E0=E5=F2, =EA=E0=EA =FD=F2=EE =F1=E4=E5=EB=E0=F2=FC= . =CD=E5=EE=E1=F5=EE=E4=E8=EC=EE
=E7=E0=EC=E5=F2=E8=F2=FC, =F7=F2=EE= =F7=E0=F1=F2=EE =F1=F2=F3=E4=E5=ED=F2, =E7=E0=E1=FB=E2=F8=E8=E9 =E4=EE=E1= =E0=E2=E8=F2=FC =EA=EE=EC=EF=EE=ED=E5=ED=F2 =E2 =EE=EA=ED=EE =EF=F0=E8=EB= =EE=E6=E5=ED=E8=FF,
=F2=E0=EA=E6=E5 =E7=E0=E1=FB=E2=E0=E5=F2 =ED=E0=E7= =ED=E0=F7=E8=F2=FC =F1=EB=F3=F8=E0=F2=E5=EB=E5=E9 =F1=EE=E1=FB=F2=E8=E9 = =E4=EB=FF =FD=F2=EE=E3=EE =EA=EE=EC=EF=EE=ED=E5=ED=F2=E0.

=C8=F1= =EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0=E8=EC=E5=F0:
<= TR>

public cl=
ass TestFrame extends Fr=
ame implements ActionListener {=
;
    public Button exit;

    public TestFrame() {
        super(&q=
uot;Test Frame");

        exit =3D new Button("Quit");

        Panel controlPanel =3D new =
Panel();
        controlPanel.add(exit);

        add("Center", controlPanel);=


        exit.addActionListener(this=
);
    }

    public <=
B>void actionPerformed(ActionEvent e) {
        System.exit(0);
    }
}

17. =C7=E0=E1=FB=EB =E7=E0=EF=F3=F1=F2= =E8=F2=FC =EF=EE=F2=EE=EA

=CC=ED=EE=E3=EE=EF=EE=F2=EE=F7=ED=EE= =F1=F2=FC =E2 Java =F0=E5=E0=EB=E8=E7=F3=E5=F2=F1=FF =F1 =EF=EE=EC=EE=F9= =FC=FE =EA=EB=E0=F1=F1=E0 java.lang.Thread.
=C6=E8=E7=ED=E5=ED=ED=FB= =E9 =F6=E8=EA=EB =EF=EE=F2=EE=EA=E0 =F1=EE=F1=F2=EE=E8=F2 =E8=E7 4=F5 =FD= =F2=E0=EF=EE=E2: =EF=F0=EE=E8=ED=E8=F6=E8=E0=EB=E8=E7=E8=F0=EE=E2=E0=ED,= =E7=E0=EF=F3=F9=E5=ED,
=E7=E0=E1=EB=EE=EA=E8=F0=EE=E2=E0=ED =E8 =EE= =F1=F2=E0=ED=EE=E2=EB=E5=ED. =D2=CE=EB=FC=EA=EE =F7=F2=EE =F1=EE=E7=E4=E0= =ED=ED=FB=E9 =EF=EE=F2=EE=EA =ED=E0=F5=EE=E4=E8=F2=F1=FF =E2
=EF=F0=EE= =E8=ED=E8=F6=E8=E0=EB=E8=E7=E8=F0=EE=E2=E0=ED=ED=EE=EC =F1=EE=F1=F2=EE=FF= =ED=E8=E8. =D7=F2=EE=E1=FB =EF=E5=F0=E5=E2=E5=F1=F2=E8 =E5=E3=EE =E2 =E7= =E0=EF=F3=F9=E5=ED=ED=EE=E5
=F1=EE=F1=F2=EE=FF=ED=E8=E5, =ED=E5=EE=E1= =F5=EE=E4=E8=EC=EE =E2=FB=E7=E2=E0=F2=FC =E5=E3=EE =EC=E5=F2=EE=E4 start= (). =C8=ED=EE=E3=E4=E0 =F1=F2=F3=E4=E5=ED=F2=FB =F1=EE=E7=E4=E0=FE=F2 =EF=EE=F2=EE=EA=E8, =ED=EE =E7=E0=E1=FB=E2=E0=FE=F2 =E7=E0=EF=F3=F1=F2= =E8=F2=FC =E8=F5. =CE=E1=FB=F7=ED=EE =EE=F8=E8=E1=EA=E0 =E2=EE=E7=ED=E8=EA= =E0=E5=F2 =EF=F0=E8 =ED=E5=E4=EE=F1=F2=E0=F2=EE=F7=ED=FB=F5
=E7=ED=E0= =ED=E8=FF=F5 =F1=F2=F3=E4=E5=ED=F2=E0 =EE =EF=E0=F0=E0=EB=EB=E5=EB=FC=ED= =EE=EC =EF=F0=EE=E3=F0=E0=EC=EC=E8=F0=EE=E2=E0=ED=E8=E8 =E8 =EC=ED=EE=E3= =EE=EF=EE=F2=EE=F7=ED=EE=F1=F2=E8. (=EF=F0=E8=EC.
=EF=E5=F0=E5=E2.: = =ED=E5 =E2=E8=E6=F3 =F1=E2=FF=E7=E8) =D7=F2=EE=E1=FB =E8=F1=EF=F0=E0=E2=E8= =F2=FC =EE=F8=E8=E1=EA=F3, =ED=E5=EE=E1=F5=EE=E4=E8=EC=EE =EF=F0=EE=F1=F2= =EE =E7=E0=EF=F3=F1=F2=E8=F2=FC
=EF=EE=F2=EE=EA.

=C2 =EF=F0=E8= =EC=E5=F0=E5 =ED=E8=E6=E5, =F1=F2=F3=E4=E5=ED=F2 =F5=EE=F7=E5=F2 =F1=EE=E7= =E4=E0=F2=FC =E0=ED=E8=EC=E0=F6=E8=FE =EA=E0=F0=F2=E8=ED=EA=E8 =E8=F1=EF= =EE=EB=FC=E7=F3=FF =E8=ED=F2=E5=F0=F4=E5=E9=F1
Runnable, =ED=EE =EE=ED= =E7=E0=E1=FB=EB =E7=E0=EF=F3=F1=F2=E8=F2=FC =EF=EE=F2=EE=EA.

= =CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC=E5=F0.
<= TR>

public cl=
ass AnimCanvas extends C=
anvas implements Runnable {
        protected Thread myThread;
        public AnimCanvas() {
                myThread =3D new Th=
read(this);
        }

        // =EC=E5=F2=EE=E4 run() =ED=E5 =E1=F3=E4=E5=
=F2 =E2=FB=E7=E2=E0=ED,
        // =EF=EE=F2=EE=EC=F3 =F7=F2=EE =EF=EE=F2=EE=
=EA =ED=E5 =E7=E0=EF=F3=F9=E5=ED.
        public void run() {
                for(int n =3D 0; =
n < 10000; n++) {
                   try { =

                     Thread.sleep(100); =

                   } catch (In=
terruptedException e) { }
                   =

                   animateStep(n);
                }       =

        }
        ...
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

public cl=
ass AnimCanvas extends C=
anvas implements Runnable {
        static final int LIMIT =3D=
 10000;
        protected Thread myThread;

        public AnimCanvas() {
                myThread =3D new Th=
read(this);
                myThread.start();
        }

        public void run() {
                for(int n =3D 0; =
n < LIMIT; n++) {
                        try { =

                          Thread.sleep(100=
); =

                        } catch (InterruptedException e) { }

                        animateStep(n);
                }
        }
        ...
}

=C6=E8=E7=ED=E5=ED=ED=FB=E9 =F6=E8=EA=EB =EF= =EE=F2=EE=EA=E0 =E8 =F1=E2=FF=E7=FC =EF=EE=F2=EE=EA=EE=E2 =E8 =EA=EB=E0=F1= =F1=EE=E2, =F0=E5=E0=EB=E8=E7=F3=FE=F9=E8=F5
=E8=ED=F2=E5=F0=F4=E5=E9= =F1 Runnable - =FD=F2=EE =EE=F7=E5=ED=FC =E2=E0=E6=ED=E0=FF =F7=E0=F1=F2= =FC =EF=F0=EE=E3=F0=E0=EC=EC=E8=F0=EE=E2=E0=ED=E8=FF =ED=E0 Java,
=E8= =ED=E5 =E1=F3=E4=E5=F2 =EB=E8=F8=ED=E8=EC =E7=E0=EE=F1=F2=F0=E8=F2=FC =F1= =E2=EE=E5 =E2=ED=E8=EC=E0=ED=E8=E5 =ED=E0 =FD=F2=EE=EC.

18= . =C8=F1=EF=EE=EB=FC=E7=EE=E2=E0=ED=E8=E5 =E7=E0=EF=F0=E5=F9=E5=ED=ED=EE= =E3=EE =EC=E5=F2=EE=E4=E0 readLine() =EA=EB=E0=F1=F1=E0 java.io.DataInpu= tStream

=C2 Java =E2=E5=F0=F1=E8=E8 1.0 =E4=EB=FF =F1=F7=E8=F2= =FB=E2=E0=ED=E8=FF =F1=F2=F0=EE=EA=E8 =F2=E5=EA=F1=F2=E0 =ED=E5=EE=E1=F5= =EE=E4=E8=EC=EE =E1=FB=EB=EE
=E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC =EC= =E5=F2=EE=E4 readLine() =EA=EB=E0=F1=F1=E0 java.io.DataInputStream. =C2 = Java
=E2=E5=F0=F1=E8=E8 1.1 =E1=FB=EB =E4=EE=E1=E0=E2=EB=E5=ED =F6=E5= =EB=FB=E9 =ED=E0=E1=EE=F0 =EA=EB=E0=F1=F1=EE=E2 =E4=EB=FF =E2=E2=EE=E4=E0= -=E2=FB=E2=EE=E4=E0,
=EE=E1=E5=F1=EF=E5=F7=E8=E2=E0=FE=F9=E8=E9 =EE=EF= =E5=F0=E0=F6=E8=E8 =E2=E2=EE=E4=E0-=E2=FB=E2=EE=E4=E0 =E4=EB=FF =F2=E5=EA= =F1=F2=E0: =EA=EB=E0=F1=F1=FB Reader =E8
Writer. =D2=E0=EA=E8=EC =EE= =E1=F0=E0=E7=EE=EC =F1 =E2=E5=F0=F1=E8=E8 1.1 =E4=EB=FF =F7=F2=E5=ED=E8=FF= =F1=F2=F0=EE=EA=E8 =F2=E5=EA=F1=F2=E0 =ED=E0=E4=EE
=E8=F1=EF=EE=EB=FC= =E7=EE=E2=E0=F2=FC =EC=E5=F2=EE=E4 readLine() =EA=EB=E0=F1=F1=E0 java.io= .BufferedReader. =D1=F2=F3=E4=E5=ED=F2=FB
=EC=EE=E3=F3=F2 =ED=E5 =E7= =ED=E0=F2 =EE=E1 =FD=F2=EE=EC =E8=E7=EC=E5=ED=E5=ED=E8=E8, =EE=F1=EE=E1=E5= =ED=ED=EE =E5=F1=EB=E8 =EE=ED=E8 =EE=E1=F3=F7=E0=EB=E8=F1=FC =EF=EE
= =F1=F2=E0=F0=FB=EC =EA=ED=E8=E3=E0=EC. (=EF=F0=E8=EC. =EF=E5=F0=E5=E2. =E2= =EE=EE=E1=F9=E5-=F2=EE =F3=E6=E5 =ED=E5 =E0=EA=F2=F3=E0=EB=FC=ED=EE. =E2= =F0=FF=E4 =EB=E8 =EA=F2=EE-=F2=EE
=F1=F2=E0=ED=E5=F2 =F1=E5=E9=F7=E0= =F1 =F3=F7=E8=F2=FC=F1=FF =EF=EE =EA=ED=E8=E3=E0=EC 10=EB=E5=F2=ED=E5=E9= =E4=E0=E2=ED=EE=F1=F2=E8.)

=D1=F2=E0=F0=FB=E9 =EC=E5=F2=EE=E4 re= adLine() =EE=F1=F2=E0=E2=EB=E5=ED =E2 JDK, =ED=EE =EE=E1=FA=FF=E2=EB=E5=ED= =EA=E0=EA =E7=E0=EF=F0=E5=F9=E5=ED=ED=FB=E9, =F7=F2=EE
=F7=E0=F1=F2= =EE =F1=EC=F3=F9=E0=E5=F2 =F1=F2=F3=E4=E5=ED=F2=EE=E2. =CD=E5=EE=E1=F5=EE= =E4=E8=EC=EE =EF=EE=ED=FF=F2=FC, =F7=F2=EE =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0= =ED=E8=E5 =EC=E5=F2=EE=E4=E0
readLine() =EA=EB=E0=F1=F1=E0 java.io.D= ataInputStream =ED=E5 =FF=E2=EB=FF=E5=F2=F1=FF =ED=E5=EF=F0=E0=E2=E8=EB=FC= =ED=FB=EC, =EE=ED=EE
=EF=F0=EE=F1=F2=EE =F3=F1=F2=E0=F0=E5=EB=EE. =CD= =E5=EE=E1=F5=EE=E4=E8=EC=EE =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC =EA=EB=E0= =F1=F1 BufferedReader.

=CE=F8=E8=E1=EE=F7=ED=FB=E9 =EF=F0=E8=EC= =E5=F0.

public cl=
ass LineReader {
    private DataInputStream dis;

    public LineReader(InputStream i=
s) {
        dis =3D new DataInputStream=
(is);
    }

    public String getLine() { =

        String ret =3D null;

        try {
          ret =3D dis.readLine();  // =CD=E5=EF=F0=
=E0=E2=E8=EB=FC=ED=EE! =C7=E0=EF=F0=E5=F9=E5=ED=EE.
        } catch (IOException i=
e) { }

        return ret;
    }
}

=C8=F1=EF=F0=E0=E2=EB=E5=ED=ED=FB=E9 =EF=F0= =E8=EC=E5=F0:

public cl=
ass LineReader {
    private BufferedReader br;

    public LineReader(InputStream i=
s) {
        br =3D new BufferedReader(<=
font color=3Ddarkblue>new InputStreamReader(is));
    }

    public String getLine() { =

        String ret =3D null;

        try {
          ret =3D br.readLine(); =

        } catch (IOException i=
e) { }

        return ret;
    }
}

=C5=F1=F2=FC =E8 =E4=F0=F3=E3=E8=E5 =E7=E0=EF= =F0=E5=F9=E5=ED=ED=FB=E5 =EC=E5=F2=EE=E4=FB =E2 =E2=E5=F0=F1=E8=FF=F5, =E1= =EE=EB=E5=E5 =EF=EE=E7=E4=ED=E8=F5 =F7=E5=EC 1.0, =ED=EE
=FD=F2=EE=F2= =E2=F1=F2=F0=E5=F7=E0=E5=F2=F1=FF =F7=E0=F9=E5 =E2=F1=E5=E3=EE.

=
19. =C8=F1=EF=EE=EB=FC=E7=EE=E2=E0=ED=E8=E5 =F2=E8=EF=E0 double =EA= =E0=EA float

=CA=E0=EA =E8 =E2 =E1=EE=EB=FC=F8=E8=ED=F1=F2=E2= =E5 =E4=F0=F3=E3=E8=F5 =FF=E7=FB=EA=EE=E2, =E2 Java =EF=EE=E4=E4=E5=F0=E6= =E8=E2=E0=FE=F2=F1=FF =EE=EF=E5=F0=E0=F6=E8=E8
=ED=E0=E4 =F7=E8=F1=EB= =E0=EC=E8 =F1 =EF=EB=E0=E2=E0=FE=F9=E5=E9 =F2=EE=F7=EA=EE=E9 (=E4=F0=EE=E1= =ED=FB=EC=E8 =F7=E8=F1=EB=E0=EC=E8). =C2 Java =E5=F1=F2=FC 2
=F2=E8=EF= =E0-=EF=F0=E8=EC=E8=F2=E8=E2=E0 =E4=EB=FF =F7=E8=F1=E5=EB =F1 =EF=EB=E0=E2= =E0=FE=F9=E5=E9 =F2=EE=F7=EA=EE=E9: double =E4=EB=FF =F7=E8=F1=E5=EB =F1=
64-=E1=E8=F2=ED=EE=E9 =F2=EE=F7=ED=EE=F1=F2=FC=FE =EF=EE =F1=F2=E0=ED= =E4=E0=F0=F2=F3 IEEE, =E8 float, =E4=EB=FF =F7=E8=F1=E5=EB =F1 32-=E1=E8= =F2=ED=EE=E9
=F2=EE=F7=ED=EE=F1=F2=FC=FE =EF=EE =F1=F2=E0=ED=E4=E0=F0= =F2=F3 IEEE. =D2=F0=F3=E4=ED=EE=F1=F2=FC =E7=E0=EA=EB=FE=F7=E0=E5=F2=F1=FF= =E2 =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=ED=E8=E8
=E4=E5=F1=FF=F2=E8=F7=ED= =FB=F5 =F7=E8=F1=E5=EB, =F2=E0=EA=E8=F5 =EA=E0=EA 1.75, 12.9e17 =E8=EB=E8= -0.00003 - =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0
=EF=F0=E8=F1=E2=E0=E8=E2=E0= =E5=F2 =E8=EC =F2=E8=EF double.

Java =ED=E5 =EF=F0=EE=E8=E7=E2=EE= =E4=E8=F2 =EF=F0=E8=E2=E5=E4=E5=ED=E8=E5 =F2=E8=EF=EE=E2 =E2 =EE=EF=E5=F0= =E0=F6=E8=FF=F5, =E2 =EA=EE=F2=EE=F0=FB=F5 =EC=EE=E6=E5=F2 =EF=F0=EE=E8=E7= =EE=E9=F2=E8
=EF=EE=F2=E5=F0=FF =F2=EE=F7=ED=EE=F1=F2=E8. =D2=E0=EA=EE= =E5 =EF=F0=E8=E2=E5=E4=E5=ED=E8=E5 =F2=E8=EF=EE=E2 =E4=EE=EB=E6=E5=ED =EE= =F1=F3=F9=E5=F1=F2=E2=EB=FF=F2=FC =EF=F0=EE=E3=F0=E0=EC=EC=E8=F1=F2. =CD=E0=EF=F0=E8=EC=E5=F0, Java =ED=E5 =EF=EE=E7=E2=EE=EB=E8=F2 =EF=F0=E8= =F1=E2=EE=E8=F2=FC =E7=ED=E0=F7=E5=ED=E8=E5 =F2=E8=EF=E0 int =EF=E5=F0=E5= =EC=E5=ED=ED=EE=E9 =F2=E8=EF=E0 byte
=E1=E5=E7 =EF=F0=E8=E2=E5=E4=E5= =ED=E8=FF =F2=E8=EF=EE=E2, =EA=E0=EA =EF=EE=EA=E0=E7=E0=ED=EE =E2 =EF=F0= =E8=EC=E5=F0=E5 =ED=E8=E6=E5.

byte byteValue1 =3D 17; /* =ED=E5=EF=F0=E0=E2=E8=EB=
=FC=ED=EE! */
byte byteValue2 =3D (byte)19; /* =EF=F0=E0=E2=E8=EB=FC=ED=EE */ =

=D2=E0=EA =EA=E0=EA =E4=F0=EE=E1=ED=FB=E5 =F7= =E8=F1=EB=E0 =EF=F0=E5=E4=F1=F2=E0=E2=EB=E5=ED=FB =F2=E8=EF=EE=EC double= , =E8 =EF=F0=E8=F1=E2=E0=E8=E2=E0=ED=E8=E5 double
=EF=E5=F0=E5=EC=E5= =ED=ED=EE=E9 =F2=E8=EF=E0 float =EC=EE=E6=E5=F2 =EF=F0=E8=E2=E5=F1=F2=E8= =EA =EF=EE=F2=E5=F0=E5 =F2=EE=F7=ED=EE=F1=F2=E8, =EA=EE=EC=EF=E8=EB=FF=F2= =EE=F0
=EF=EE=E6=E0=EB=F3=E5=F2=F1=FF =ED=E0 =EB=FE=E1=F3=FE =EF=EE=EF= =FB=F2=EA=F3 =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC =E4=F0=EE=E1=ED=FB=E5 = =F7=E8=F1=EB=E0 =EA=E0=EA float. =D2=E0=EA =F7=F2=EE
=E8=F1=EF=EE=EB= =FC=E7=EE=E2=E0=ED=E8=E5 =EF=F0=E8=F1=E2=E0=E8=E2=E0=ED=E8=E9, =EF=F0=E8= =E2=E5=E4=E5=ED=ED=FB=F5 =ED=E8=E6=E5, =ED=E5 =E4=E0=F1=F2 =EA=EB=E0=F1=F1= =F3
=EE=F2=EA=EE=EC=EF=E8=EB=E8=F0=EE=E2=E0=F2=FC=F1=FF.

float realValue1 =3D -1.7;        =
  /* =ED=E5=EF=F0=E0=E2=E8=EB=FC=ED=EE! */
float realValue2 =3D (float)(-1.9); /* =EF=F0=E0=E2=
=E8=EB=FC=ED=EE */ =

=DD=F2=EE =EF=F0=E8=F1=E2=E0=E8=E2=E0=ED=E8=E5= =F1=F0=E0=E1=EE=F2=E0=EB=EE =E1=FB =E2 C =E8=EB=E8 C++, =E4=EB=FF Java = =E2=F1=E5 =E3=EE=F0=E0=E7=E4=EE =F1=F2=F0=EE=E6=E5.
=C5=F1=F2=FC 3 =F1= =EF=EE=F1=EE=E1=E0 =E8=E7=E1=E0=E2=E8=F2=FC=F1=FF =EE=F2 =FD=F2=EE=E9 =EE= =F8=E8=E1=EA=E8.

=CC=EE=E6=ED=EE =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2= =FC =F2=E8=EF double =E2=EC=E5=F1=F2=EE =F2=E8=EF=E0 float. =DD=F2=EE =ED= =E0=E8=E1=EE=EB=E5=E5 =EF=F0=EE=F1=F2=EE=E5
=F0=E5=F8=E5=ED=E8=E5. =CD= =E0 =F1=E0=EC=EE=EC =E4=E5=EB=E5 =ED=E5=F2 =EE=F1=EE=E1=EE=E3=EE =F1=EC=FB= =F1=EB=E0 =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC 32-=E1=E8=F2=ED=F3=FE =E0=F0=E8=F4=EC=E5=F2=E8=EA=F3 =E2=EC=E5=F1=F2=EE 64-=E1=E8=F2=ED=EE=E9= , =F0=E0=E7=ED=E8=F6=F3 =E2 =F1=EA=EE=F0=EE=F1=F2=E8 =E2=F1=E5 =F0=E0=E2= =ED=EE =F1=EA=F3=F8=E0=E5=F2
JVM (=EA =F2=EE=EC=F3 =E6=E5 =E2 =F1=EE= =E2=F0=E5=EC=E5=ED=ED=FB=F5 =EF=F0=EE=F6=E5=F1=F1=EE=F0=E0=F5 =E2=F1=E5 = =E4=F0=EE=E1=ED=FB=E5 =F7=E8=F1=EB=E0 =EF=F0=E8=E2=EE=E4=FF=F2=F1=FF =EA =F4=EE=F0=EC=E0=F2=F3 80-=E1=E8=F2=ED=EE=E3=EE =F0=E5=E3=E8=F1=F2=F0= =E0 =EF=F0=EE=F6=E5=F1=F1=EE=F0=E0 =EF=E5=F0=E5=E4 =EB=FE=E1=EE=E9 =EE=EF= =E5=F0=E0=F6=E8=E5=E9).
=C5=E4=E8=ED=F1=F2=E2=E5=ED=ED=FB=E9 =EF=EB=FE= =F1 =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0=ED=E8=FF float - =FD=F2=EE =F2=EE, =F7= =F2=EE =EE=ED=E8 =E7=E0=ED=E8=EC=E0=FE=F2
=EC=E5=ED=FC=F8=E5 =EF=E0=EC= =FF=F2=E8, =F7=F2=EE =E1=FB=E2=E0=E5=F2 =EF=EE=EB=E5=E7=ED=EE =EF=F0=E8 = =F0=E0=E1=EE=F2=E5 =F1 =E1=EE=EB=FC=F8=E8=EC =F7=E8=F1=EB=EE=EC =E4=F0=EE= =E1=ED=FB=F5
=EF=E5=F0=E5=EC=E5=ED=FB=F5.

=CC=EE=E6=ED=EE =E8= =F1=EF=EE=EB=FC=E7=EE=E2=E0=F2=FC =EC=EE=E4=E8=F4=E8=EA=E0=F2=EE=F0 =E4=EB= =FF =EE=E1=EE=E7=ED=E0=F7=E5=ED=E8=FF =F2=E8=EF=E0 =F7=E8=F1=EB=E0, =F7=F2= =EE=E1=FB
=F1=EE=EE=E1=F9=E8=F2=FC =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0=F3= =EA=E0=EA =F5=F0=E0=ED=E8=F2=FC =F7=E8=F1=EB=EE. =CC=EE=E4=E8=F4=E8=EA=E0= =F2=EE=F0 =E4=EB=FF =F2=E8=EF=E0
float - 'f'. =D2=E0=EA=E8=EC =EE=E1= =F0=E0=E7=EE=EC, =EA=EE=EC=EF=E8=EB=FF=F2=EE=F0 =EF=F0=E8=F1=E2=EE=E8=F2= =F7=E8=F1=EB=F3 1.75 =F2=E8=EF double,
=E0 1.75f - float. =CD=E0=EF= =F0=E8=EC=E5=F0:

float realValue1 =3D 1.7;    /* =ED=E5=EF=F0=E0=E2=E8=EB=FC=ED=EE! */
float realValue2 =3D 1.9f;   /* =EF=F0=E0=E2=E8=EB=FC=
=ED=EE */ =

=CC=EE=E6=ED=EE =E8=F1=EF=EE=EB=FC=E7=EE=E2=E0= =F2=FC =FF=E2=ED=EE=E5 =EF=F0=E8=E2=E5=E4=E5=ED=E8=E5 =F2=E8=EF=EE=E2. =DD= =F2=EE =ED=E0=E8=EC=E5=ED=E5=E5 =FD=EB=E5=E3=E0=ED=F2=ED=FB=E9 =F1=EF=EE= =F1=EE=E1,
=ED=EE =EE=ED =EF=EE=EB=E5=E7=E5=ED =EF=F0=E8 =EA=EE=ED=E2= =E5=F0=F2=E0=F6=E8=E8 =EF=E5=F0=E5=EC=E5=ED=ED=EE=E9 =F2=E8=EF=E0 double= =E2 =F2=E8=EF float. =CF=F0=E8=EC=E5=F0:

<= TD>

float realValue1 =3D 1.7f; =

double realValue2 =3D 1.9;
realValue1 =3D (float)realValue2;

=CF=EE=E4=F0=EE=E1=ED=E5=E5 =EE =F7=E8=F1=EB= =E0=F5 =F1 =EF=EB=E0=E2=E0=FE=F9=E5=E9 =F2=EE=F7=EA=EE=E9 =EC=EE=E6=ED=EE= =EF=EE=F7=E8=F2=E0=F2=FC =E7=E4=E5=F1=FC =E8 =E7=E4=E5=F1=FC.

-- =EA=EE=EC=EC=E5=ED=F2=E0=F0=E8=E9 =EF=E5=F0=E5=E2=EE=E4=F7=E8=EA=E0= --
=E2=F1=E5.

=E2 =EF=F0=E8=EC=E5=F0=E5 10 =ED=E0 =F1=E0= =EC=EE=EC =E4=E5=EB=E5 =E4=EE=EF=F3=F9=E5=ED=E0 =EE=F8=E8=E1=EA=E0 9. =FF= =E5=E5 =F1=F0=E0=E7=F3 =E7=E0=EC=E5=F2=E8=EB, =ED=EE
=E7=E0=E1=FB=EB= =ED=E0=EF=E8=F1=E0=F2=FC =EF=F0=E8=EC=E5=F7=E0=ED=E8=E5. =E0 =E8=F1=EF=F0= =E0=E2=EB=FF=F2=FC =ED=E5 =F1=F2=E0=EB =F7=F2=EE=E1=FB =ED=E5 =E1=FB=EB=EE=
=F0=E0=F1=F5=EE=E6=E4=E5=ED=E8=E9 =F1 =EF=E5=F0=E2=EE=E8=F1=F2=EE=F7= =ED=E8=EA=EE=EC

=CE=F2=E7=FB=E2=FB =E8 = =EE=F6=E5=ED=EA=E8

=CE=F6=E5=ED=EA=E0: 5=CE=F6=E5=ED=EA=E0: 5


Sand_sand	22 =E4=E5=EA=E0=E1=F0=FF 2007, 00:19	=CE= =F6=E5=ED=EA=E0: 5
=CE=F7=E5=ED=FC =EF=EE=EB=E5=E7=ED=EE

=DE=F0=E0 Wolf	02 =ED=EE=FF=E1=F0=FF 2007, 15:47
=EE=F7=E5=ED=FC =EF=EE=EB=E5=E7=ED=EE! =EC=ED=E5 =E2= =F2=E5=EC=F3 =F1=E5=E9=F7=E0=F1

=DE=EB=E8=E9	22 =E8=FE=ED=FF 2007, 18:04	=CE=F6=E5= =ED=EA=E0: 5
=CD=E0 =E2=F1=E5=EC =F1=EF=EE=F2=FB=EA=E0=EB=F1=FF := )

Stin	31 =FF=ED=E2=E0=F0=FF 2007, 17:38	=CE=F6=E5= =ED=EA=E0: 5
=CD=E0=E4=EE =E1=FB=EB=EE =F0=E0=E7=E4=EE=E1=FB=F2=FC= =FD=F2=EE =E2=F1=E5 =EF=EE=F0=E0=ED=FC=F8=E5. =CF=F0=E0=EA=F2=E8=F7=E5=F1= =EA=E8 =ED=E0 =EA=E0=E6=E4=F3=FE =E3=F0=E0=E1=EB=FE =ED=E0=F1=F2=F3=EF=E0= =EB. =D1=E5=E9=F7=E0=F1 =E1=FB=EB=EE =E7=E0=ED=FF=F2=ED=EE =E2=F1=EF=EE=EC= =ED=E8=F2=FC :)

Stin	31 =FF=ED=E2=E0=F0=FF 2007, 17:37	=CE=F6=E5= =ED=EA=E0: 5
=CD=E0=E4=EE =E1=FB=EB=EE =F0=E0=E7=E4=EE=E1=FB=F2=FC= =FD=F2=EE =E2=F1=E5 =EF=EE=F0=E0=ED=FC=F8=E5. =CF=F0=E0=EA=F2=E8=F7=E5=F1= =EA=E8 =ED=E0 =EA=E0=E6=E4=F3=FE =E3=F0=E0=E1=EB=FE =ED=E0=F1=F2=F3=EF=E0= =EB. =D1=E5=E9=F7=E0=F1 =E1=FB=EB=EE =E7=E0=ED=FF=F2=ED=EE =E2=F1=EF=EE=EC= =ED=E8=F2=FC :)

=C0=C9=DD=CC	29 =F1=E5=ED=F2=FF=E1=F0=FF 2006, 18:28	=CE=F6=E5=ED=EA=E0: 5
=C4=EB=FF =ED=EE=E2=E8=F7=EA=EE=E2 =EF=F0=EE=F1=F2=EE= =F1=F3=EF=E5=F0, =ED=E0 =E3=EE=E4=EE=EA =E1=FB =F0=E0=ED=FC=F8=E5 =FD=F2= =EE=F2 =EC=E0=F2=E5=F0=E8=E0=EB=FC=F7=E8=EA.

eUser	23 =F1=E5=ED=F2=FF=E1=F0=FF 2006, 19:09	=CE= =F6=E5=ED=EA=E0: N/A
=CF=EE=EB=E5=E7=ED=E0=FF =E8=ED=F4=E0! =CD=EE =EC=ED= =EE=E3=EE=E5 =E4=EB=FF =EC=E5=ED=FF =E7=ED=E0=EA=EE=EC=EE;)

raidan	23 =EC=E0=FF 2006, 11:46	=CE=F6=E5=ED=EA=E0= : 5
=CF=EE=E7=ED=E0=E2=E0=F2=E5=EB=FC=ED=EE.

	28 =EC=E0=F0=F2=E0 2006, 21:40	=CE=F6=E5=ED=EA=E0= : 5
=EC=EE=F9=ED=EE!

Maksys	21 =F4=E5=E2=F0=E0=EB=FF 2006, 22:23	=CE=F6= =E5=ED=EA=E0: 5
=D5=EE=F0=EE=F8=EE =E8=ED=F4=EE=F0=EC=E8=F0=EE=E2=E0= =ED=EE, =EC=ED=EE=E3=EE =EF=EE=EB=E5=E7=ED=EE=E3=EE =E4=EB=FF =ED=EE=E2=E8= =F7=EA=E0.

=C1=EE=EC=E6	13 =F4=E5=E2=F0=E0=EB=FF 2006, 09:17
=C4=E0=F1 =E8=F1 =F4=E0=ED=F2=E0=F1=F2=E8=F8

VRN	02 =ED=EE=FF=E1=F0=FF 2005, 10:55	=CE=F6=E5=ED= =EA=E0: 5
=C3=F3=F2 !

		1	2	3	4	5
	=EF=EB=EE=F5=EE					=EE=F2=EB=E8=F7=ED=EE

=C8=EC=FF
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name=1px.gif Content-Location: http://www.sql.ru/images/1px.gif Content-Transfer-Encoding: Base64 R0lGODlhAQABAJH/AP///1BqjAAAAAAAACwAAAAAAQABAAACAkwBADs= ------------PXY5qEoJsmQ4xjxxEdYafW Content-Disposition: inline; filename=banner-88x31-rambler-gray2.gif Content-Type: image/gif; name=banner-88x31-rambler-gray2.gif Content-Location: http://top100-images.rambler.ru/top100/banner-88x31-rambler-gray2.gif Content-Transfer-Encoding: 8bit <HTML><HEAD><TITLE>SurfControl - Access Denied</TITLE></HEAD><BODY BGCOLOR="#FFFFFF" TEXT="#FFFFFF" LINK="#0000FF" VLINK="#FF0000"><center><table border="4" bgcolor="#000066" width="410" cellpadding="6"><tr><td align="center" nowrap bgcolor="#000066"> <strong><font size="5" face="Verdana, Arial, Helvetica, sans-serif">SurfControl</font></strong></td></tr><tr><td height="130" nowrap bgcolor="#FFFFFF"> <h1 align="center"><font color="#FF0000" size="+2" face="Verdana, Arial, Helvetica, sans-serif">Access Blocked </font></h1><p align="center"><font color="#000000"> Access to the requested web page has been blocked by your organization's internet usage protection policy. <br>If you have a question, please send e-mail for e.nelyubin@compassplus.ru or s.yatcenko@compassplus.ru. <br> <br></p></td></tr></table></center></BODY></HTML> ------------PXY5qEoJsmQ4xjxxEdYafW Content-Disposition: inline; filename=urchin.htm Content-Type: text/html; name=urchin.htm Content-Location: http://www.google-analytics.com/urchin.js Content-Transfer-Encoding: 8bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <TITLE>ERROR: The requested URL could not be retrieved</TITLE> <STYLE type="text/css"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}PRE{font-family:sans-serif}--></STYLE> </HEAD><BODY> <H1>ERROR</H1> <H2>The requested URL could not be retrieved</H2> <HR noshade size="1px"> <P> While trying to retrieve the URL: <A HREF="http://www.google-analytics.com/urchin.js">http://www.google-analytics.com/urchin.js</A> <P> The following error was encountered: <UL> <LI> <STRONG> Access Denied. </STRONG> <P> Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect. </UL> <P>Your cache administrator is <A HREF="mailto:squid@compassplus.ru">squid@compassplus.ru</A>. <BR clear="all"> <HR noshade size="1px"> <ADDRESS> Generated Thu, 05 Jun 2008 04:03:16 GMT by proxy.compassplus.ru (squid/2.5.STABLE9) </ADDRESS> </BODY></HTML> ------------PXY5qEoJsmQ4xjxxEdYafW--