用Java语言实现的各种排序,包括插入排序、冒泡排序、选择排序、Shell排序、快速排序、归并排序、堆排序、SortUtil等。 eyn-bw
插入排序: 60xL.Z
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package org.rut.util.algorithm.support; ( De>k8
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import org.rut.util.algorithm.SortUtil; zXIdup@
/** =8Z-ORW51
* @author treeroot \[AJWyP
* @since 2006-2-2 }E&:
* @version 1.0 X7*fmD=Uy
*/ =9:gW5F69
public class InsertSort implements SortUtil.Sort{ jq_ i&~S
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/* (non-Javadoc) J(9{P/
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) g$JlpD&
*/ P<LmCYm
public void sort(int[] data) { CFu^i|7o
int temp; $qR@;=
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); Q $Sp'
} ;B{oGy.
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} E<@N4%K_Q
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} KppYe9?
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冒泡排序: n.G.fbO
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package org.rut.util.algorithm.support; KC8
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import org.rut.util.algorithm.SortUtil; {f;DhB-jj
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/** CF: !
* @author treeroot F;T;'!mb
* @since 2006-2-2 Bc'Mj=>;
* @version 1.0 +DE;aGQ.z?
*/ 7ab'q&Y[
public class BubbleSort implements SortUtil.Sort{ 7zowvE?#
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/* (non-Javadoc) r,:acK
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ONFx -U]
*/ mRxeob
public void sort(int[] data) { ^,`]Q)P^
int temp; 4hkyq>c}
for(int i=0;i for(int j=data.length-1;j>i;j--){ 02-% B~oP
if(data[j] SortUtil.swap(data,j,j-1); n|B<rx?v
} |*l^<= =
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} wU"w
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} Ny2bMj.o
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选择排序: \$gA2r
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package org.rut.util.algorithm.support; 8TTj<T!N
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import org.rut.util.algorithm.SortUtil; `$3ktQ $
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/** O,#,` 2Qc
* @author treeroot U(%6ny
* @since 2006-2-2 J'yCVb)V
* @version 1.0 0:c3aq&u
*/ VLoRS)
public class SelectionSort implements SortUtil.Sort { 9~y:K$NO
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/* 0IBQE
* (non-Javadoc) UUF]45t>
* v@{VQVx
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) e7plL^^`
*/ B;2#Sa.
public void sort(int[] data) { =,X*40=
int temp; KDj/S-S
for (int i = 0; i < data.length; i++) { 86a,J3C[
int lowIndex = i; hDc2T
for (int j = data.length - 1; j > i; j--) { ;J:* r0
if (data[j] < data[lowIndex]) { $f>(TW
lowIndex = j; q(Ow:3&
} =)a%,H
} q#\B}'I{
SortUtil.swap(data,i,lowIndex); OjrZ6
} 9_~9?5PU
} >:BgatyPH
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Shell排序: F)@zo/u5L
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package org.rut.util.algorithm.support; 4
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import org.rut.util.algorithm.SortUtil; *^CN2tm
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/** c{ qTVi5e
* @author treeroot 1K'cT\aFm
* @since 2006-2-2 "~Zdv}^xS
* @version 1.0 md|I?vk
*/ $x#qv1
public class ShellSort implements SortUtil.Sort{ EYi{~
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/* (non-Javadoc) A$L:,b(
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) bfkFk
*/ RJ{J~-q{
public void sort(int[] data) { yV31OBC:
for(int i=data.length/2;i>2;i/=2){
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for(int j=0;j insertSort(data,j,i); ID,os_ T=
} rje;Bf
} lA`-"
insertSort(data,0,1); dTte4lh
} =5uhIU0O
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/** yh).1Q-D
* @param data nP|ah~
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* @param j ngk:q5Tp
* @param i {wO.nOB
*/ rd"!&i
private void insertSort(int[] data, int start, int inc) { j HObWUX
int temp; 2EO9IxIf
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); ce719n$
} l_,6<wWp
} D&]xKx
} xn)F(P 0kv
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快速排序: Bx.hFEL
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package org.rut.util.algorithm.support; z80*Ylx
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import org.rut.util.algorithm.SortUtil; Oi{J}2U
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/** `m$,8f%j6_
* @author treeroot jwI1 I {x
* @since 2006-2-2 -O?A"
* @version 1.0 <TSps!(#
*/ A5[kYD,_
public class QuickSort implements SortUtil.Sort{ lLK||2d
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/* (non-Javadoc) V9%9nR!'
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 4`7~~:W!M5
*/ #G\-ftA &
public void sort(int[] data) { <,H/7Ba
quickSort(data,0,data.length-1); 8v)HTD/C
}
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private void quickSort(int[] data,int i,int j){ :R3&R CTZ
int pivotIndex=(i+j)/2; U@(8)[?nxn
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