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。
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插入排序: WJU[+|J
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package org.rut.util.algorithm.support; 89Ch'D
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import org.rut.util.algorithm.SortUtil; @V =HY
/** 2 Q}^<^r
* @author treeroot h?7@]&VJ
* @since 2006-2-2 |SX31T9rG
* @version 1.0 R LNto5?
*/ Vw";< <0HZ
public class InsertSort implements SortUtil.Sort{ p >h&SD?b
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/* (non-Javadoc) Jp 7m$D%
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) i87+9X
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public void sort(int[] data) { ab8F\%y-8
int temp; ;d<RPVE:
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); sjj,q?
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冒泡排序: 6~ +/cY-V
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package org.rut.util.algorithm.support; )-\[A<(
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import org.rut.util.algorithm.SortUtil; tB#-}Gf
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/** fI }v}L^
* @author treeroot B&Iy_;
* @since 2006-2-2 k)TNmpL%"
* @version 1.0 ,M0#?j>
*/ x.%x|6G*
public class BubbleSort implements SortUtil.Sort{ +Z/aB*aVa^
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/* (non-Javadoc) PzH#tG&.j
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) mvXIh";
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public void sort(int[] data) { Yq0j w&v
int temp; Evt&N)l!^
for(int i=0;i for(int j=data.length-1;j>i;j--){ dkAY%z two
if(data[j] SortUtil.swap(data,j,j-1); _i pY;
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选择排序: VWT\wAL
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package org.rut.util.algorithm.support; :d}@Z}2sD
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import org.rut.util.algorithm.SortUtil; !cA4erBP
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/** |#J!oBS!
* @author treeroot JG* Lc@ Q
* @since 2006-2-2 M?.[Rr-uw
* @version 1.0 r8TNl@Z
*/ us >$f20T
public class SelectionSort implements SortUtil.Sort { gaVQ3NqF
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* (non-Javadoc) 't#E-+o
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) TKrh3
*/ D)GD9MJ
public void sort(int[] data) { s^>1rV]=(`
int temp; vJfj1 f
for (int i = 0; i < data.length; i++) { pa2cM%48
int lowIndex = i; *,#T&M7D
for (int j = data.length - 1; j > i; j--) { [*z`p;n2D
if (data[j] < data[lowIndex]) { o}6d[G>
lowIndex = j; VhX~sJ1%Gp
} ,#hx%$f}d
} BiI`oCX
SortUtil.swap(data,i,lowIndex); {N`<THPP
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Shell排序: rF)[ Sed:T
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package org.rut.util.algorithm.support; [.LbX`K:
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import org.rut.util.algorithm.SortUtil; (C60HbL
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/** 9xM7X?
* @author treeroot /8"9sf*
* @since 2006-2-2 pHv~^L%=
* @version 1.0 sFa5#w*>
*/ '/~j!H4q9
public class ShellSort implements SortUtil.Sort{ B,avI&7M;S
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/* (non-Javadoc) WN9K*Tt~o&
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) C
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public void sort(int[] data) { ylPDM7Ka
for(int i=data.length/2;i>2;i/=2){ qb?9i-(
for(int j=0;j insertSort(data,j,i); rBrJTF:.
} d,*#yzO
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insertSort(data,0,1); Av"^uevfs
} EjFK zx
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/** Dfl%Knl@J
* @param data Ln@n6*%(/
* @param j "?(N
* @param i :vRUb>z
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private void insertSort(int[] data, int start, int inc) { ).uR@j
int temp; ZhYOz
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); ^E= w3g&
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快速排序: @-G^Jm9~\m
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package org.rut.util.algorithm.support; $9Asr07
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import org.rut.util.algorithm.SortUtil; t%Hy#z1W_
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/** N_eZz#);
* @author treeroot *g~\lFX,u
* @since 2006-2-2 c0Oc-,6J
* @version 1.0 j_Qkw ?
*/ Jrm 9,7/
public class QuickSort implements SortUtil.Sort{ X0e#w?
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/* (non-Javadoc) )ND%MYJSq
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) D0HLU
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*/ P8=!/L2?
public void sort(int[] data) { l4smAT
quickSort(data,0,data.length-1); M73d^z
} x9s1AzM{
private void quickSort(int[] data,int i,int j){ Z+]Uw
int pivotIndex=(i+j)/2; SxWK@)tP
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SortUtil.swap(data,pivotIndex,j); )MlT=k6S
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int k=partition(data,i-1,j,data[j]); @ZTsl ?
SortUtil.swap(data,k,j); 72;ot`
if((k-i)>1) quickSort(data,i,k-1); rXG?'jN
if((j-k)>1) quickSort(data,k+1,j); R0_O/o+{
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} Tye[iJ
/** 5^7q
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* @param data l-G] jXu
* @param i #I] ^Wo
* @param j -`<