📄 java 语言中链表和双向链表的实现.mht
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cursor();<BR><BR>return=20
=
temp.data;<BR><BR>}<BR><BR>=A1=A1<BR><BR>public void=20
insert( Object d )<BR><BR>/*=20
=
=D4=DA=B5=B1=C7=B0=BD=E1=B5=E3=C7=B0=B2=E5=C8=EB=D2=BB=B8=F6=BD=E1=B5=E3=A3=
=AC=B2=A2=CA=B9=C6=E4=B3=C9=CE=AA=B5=B1=C7=B0=BD=E1=B5=E3 */ =
<BR><BR>{<BR><BR>Node e=20
=3D new Node( d );<BR><BR>if ( Length =
=3D=3D 0=20
)<BR><BR>{ <BR><BR>Tail =3D e;<BR><BR>Head =
=3D=20
e;<BR><BR>}<BR><BR>else =
<BR><BR>{<BR><BR>Node temp=20
=3D cursor();<BR><BR>e.next =3D =
temp;<BR><BR>if (=20
Pointer =3D=3D null )<BR><BR>Head =3D=20
e;<BR><BR>else<BR><BR>Pointer.next =3D=20
=
e;<BR><BR>}<BR><BR>Length++;<BR><BR>}<BR><BR>public=20
int size()<BR><BR>/* =
=B7=B5=BB=D8=C1=B4=B1=ED=B5=C4=B4=F3=D0=A1=20
*/<BR><BR>{<BR><BR>return ( Length=20
);<BR><BR>}<BR><BR>public Object=20
remove()<BR><BR>/* =
=BD=AB=B5=B1=C7=B0=BD=E1=B5=E3=D2=C6=B3=F6=C1=B4=B1=ED=A3=AC=CF=C2=D2=BB=B8=
=F6=BD=E1=B5=E3=B3=C9=CE=AA=B5=B1=C7=B0=BD=E1=B5=E3=A3=AC=20
=
=C8=E7=B9=FB=D2=C6=B3=F6<BR><BR>=B5=C4=BD=E1=B5=E3=CA=C7=D7=EE=BA=F3=D2=BB=
=B8=F6=BD=E1=B5=E3=A3=AC=D4=F2=B5=DA=D2=BB=B8=F6=BD=E1=B5=E3=B3=C9=CE=AA=B5=
=B1=C7=B0=BD=E1=B5=E3 */=20
<BR><BR>{<BR><BR>Object temp ;<BR><BR>if ( =
Length=20
=3D=3D 0 )<BR><BR>throw new=20
=
java.util.NoSuchElementException();<BR><BR>else if=20
( Length =3D=3D 1 ) <BR><BR>{<BR><BR>temp =
=3D=20
=
Head.data;<BR><BR>deleteAll();<BR><BR>}<BR><BR>else=20
<BR><BR>{<BR><BR>Node cur =3D =
cursor();<BR><BR>temp=20
=3D cur.data;<BR><BR>if ( cur =3D=3D Head =
)<BR><BR>Head=20
=3D cur.next; <BR><BR>else if ( cur =3D=3D =
Tail=20
)<BR><BR>{<BR><BR>Pointer.next =3D =
null;<BR><BR>Tail=20
=3D =
Pointer;<BR><BR>reset();<BR><BR>}<BR><BR>else=20
<BR><BR>Pointer.next =3D=20
=
cur.next;<BR><BR>Length--;<BR><BR>}<BR><BR>return=20
temp;<BR><BR>}<BR><BR>private Node=20
cursor()<BR><BR>/* =
=B7=B5=BB=D8=B5=B1=C7=B0=BD=E1=B5=E3=B5=C4=D6=B8=D5=EB */=20
<BR><BR>{<BR><BR>if ( Head =3D=3D null =
)<BR><BR>throw=20
new =
java.lang.NullPointerException();<BR><BR>else=20
if ( Pointer =3D=3D null )<BR><BR>return=20
Head;<BR><BR>else <BR><BR>return=20
=
Pointer.next;<BR><BR>}<BR><BR>=A1=A1<BR><BR>public=20
static void main( String[] args =
)<BR><BR>/*=20
=
=C1=B4=B1=ED=B5=C4=BC=F2=B5=A5=D3=A6=D3=C3=BE=D9=C0=FD */ =
<BR><BR>{<BR><BR>List a =3D new=20
List();<BR><BR>for ( int i =3D 1; i =
<=3D 10; i++=20
)<BR><BR>a.insert( new Integer( i )=20
);<BR><BR>System.out.println( =
a.currentNode()=20
);<BR><BR>while ( !a.isEnd()=20
)<BR><BR>System.out.println( a.nextNode()=20
);<BR><BR>a.reset();<BR><BR>while ( =
!a.isEnd()=20
=
)<BR><BR>{<BR><BR>a.remove();<BR><BR>}<BR><BR>a.remove();<BR><BR>a.reset(=
);<BR><BR>if=20
( a.isEmpty() =
)<BR><BR>System.out.println("There=20
is no Node in List =
\n");<BR><BR>System.in.println(=20
" You can press return to quit\n" =
);<BR><BR>try=20
<BR><BR>{<BR><BR>System.in.read(); //=20
=
=C8=B7=B1=A3=D3=C3=BB=A7=BF=B4=C7=E5=B3=CC=D0=F2=D4=CB=D0=D0=BD=E1=B9=FB<=
BR><BR>}<BR><BR>catch( IOException e=20
)<BR><BR>{}<BR><BR>} =
<BR><BR>}<BR><BR>class=20
Node<BR><BR>/* =
=B9=B9=B3=C9=C1=B4=B1=ED=B5=C4=BD=E1=B5=E3=B6=A8=D2=E5 =
*/<BR><BR>{<BR><BR>Object=20
data;<BR><BR>Node next;<BR><BR>Node( =
Object d=20
)<BR><BR>{<BR><BR>data =3D d;<BR><BR>next =
=3D=20
=
null;<BR><BR>}<BR><BR>}<BR><BR>=B6=C1=D5=DF=BB=B9=BF=C9=D2=D4=B8=F9=BE=DD=
=CA=B5=BC=CA=D0=E8=D2=AA=B6=A8=D2=E5=D0=C2=B5=C4=B7=BD=B7=A8=C0=B4=B6=D4=C1=
=B4=B1=ED=BD=F8=D0=D0=B2=D9=D7=F7=A1=A3=CB=AB=CF=F2=C1=B4=B1=ED=BF=C9=D2=D4=
=D3=C3=C0=E0=CB=C6=B5=C4=B7=BD=B7=A8=CA=B5=CF=D6=D6=BB=CA=C7=BD=E1=B5=E3=B5=
=C4=C0=E0=D4=F6=BC=D3=C1=CB=D2=BB=B8=F6=D6=B8=CF=F2=C7=B0=C7=F7=BD=E1=B5=E3=
=B5=C4=D6=B8=D5=EB=A1=A3<BR><BR>=CE=D2=C3=C7=BF=C9=D2=D4=D3=C3=D5=E2=D1=F9=
=B5=C4=B4=FA=C2=EB=C0=B4=CA=B5=CF=D6=A3=BA<BR><BR>class=20
Node<BR><BR>{<BR><BR>Object =
data;<BR><BR>Node=20
next;<BR><BR>Node =
previous;<BR><BR>=A1=A1<BR><BR>Node (=20
Object d )<BR><BR>{<BR><BR>data =3D =
d;<BR><BR>next =3D=20
null;<BR><BR>previous =3D=20
=
null;<BR><BR>}<BR><BR>}<BR><BR>=B5=B1=C8=BB=CB=AB=CF=F2=C1=B4=B1=ED=BB=F9=
=B1=BE=B2=D9=D7=F7=B5=C4=CA=B5=CF=D6=C2=D4=D3=D0=B2=BB=CD=AC=A3=AC=D5=E2=C0=
=EF=BE=CD=B2=BB=D4=D9=CF=EA=CA=F6=C1=CB=A1=A3=C1=B4=B1=ED=BA=CD=CB=AB=CF=F2=
=C1=B4=B1=ED=B5=C4=CA=B5=CF=D6=B7=BD=B7=A8=A3=AC=D2=B2=BF=C9=D2=D4=D3=C3=D4=
=DA=B6=D1=D5=BB=BA=CD=B6=D3=C1=D0=B5=C4=CA=B5=CF=D6=D6=D0=A3=AC=D5=E2=C0=EF=
=BE=CD=B2=BB=D4=D9=B6=E0=D0=B4=C1=CB=A3=AC=D3=D0=D0=CB=C8=A4=B5=C4=B6=C1=D5=
=DF=BF=C9=D2=D4=BD=ABList=C0=E0=B5=C4=B4=FA=C2=EB=C9=D4=BC=D3=B8=C4=B6=AF=
=BC=B4=BF=C9=A1=A3<BR><BR>=B2=CE=BF=BC=CE=C4=CF=D7=A3=BA=A1=B6=CD=F8=C2=E7=
=B1=E0=B3=CC=D3=EF=D1=D4JAVA=A1=B7=20
=
=CB=EF=CA=E7=C1=E1=A1=A2=CD=F5=CC=AB=C8=A8=A1=A2=B3=C2=D2=E2=D4=C6 =
<BR><BR>=D6=D0=B9=FA=BF=C6=BC=BC=B4=F3=D1=A7=B3=F6=B0=E6=C9=E7<BR></TD>
<TD vAlign=3Dtop width=3D"14%">
<DIV align=3Dright><FONT=20
=
color=3Dgray> </FONT></DIV>
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<TD vAlign=3Dtop width=3D"1%"> </TD></TR>
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<TD> <FONT=20
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p;=C8=D5=C6=DA=A3=BA2005-03-11
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