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。 :A\8#]3
插入排序: F$UvYy4O d
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package org.rut.util.algorithm.support; hBf0kl
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import org.rut.util.algorithm.SortUtil; NKD<VMcqw
/** :?s~,G_*l
* @author treeroot M-3kF"
* @since 2006-2-2 d0y
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* @version 1.0 CA)DQYp{
*/ Z5re Fok
public class InsertSort implements SortUtil.Sort{ cv(9v =](
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/* (non-Javadoc) {
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) PG<tic<?
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public void sort(int[] data) { -t_t3aU|
int temp; bT<if@h-
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); n}MW# :eJe
} !rzbm&@
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} dd#=_xe
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} ufE;rcYE
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冒泡排序: yrOWC
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package org.rut.util.algorithm.support; :DTKZ9>2D
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import org.rut.util.algorithm.SortUtil; _FXvJ}~m
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/** /E F0~iy
* @author treeroot >58N P1[k
* @since 2006-2-2 j+He8w-4
* @version 1.0 pj:s+7"t
*/ ?.d6!vA
public class BubbleSort implements SortUtil.Sort{ 9P;}P!W
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/* (non-Javadoc) P` Hxj> {
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) InnjZ>$
*/ Gf'qPLK0
public void sort(int[] data) { G+2!+N\P
int temp; u`I&&
for(int i=0;i for(int j=data.length-1;j>i;j--){ ;i*<HNQ
if(data[j] SortUtil.swap(data,j,j-1); |
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选择排序: (}ObX!,
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package org.rut.util.algorithm.support; ~NT2QY5!K
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import org.rut.util.algorithm.SortUtil; )Qe<XJH!
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/** 0
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* @author treeroot !nh7<VJ
* @since 2006-2-2 _m .u@+g
* @version 1.0 DX>Yf}
*/ 4D+S\S0bk
public class SelectionSort implements SortUtil.Sort { d:C|laZHn
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/* a6\0XVU
* (non-Javadoc) N 4Kj)E@
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) m'{gO9V
*/ jeb]3i=pw
public void sort(int[] data) { ]-ad\PI$
int temp; c>I(6$
for (int i = 0; i < data.length; i++) { %d-|C.
int lowIndex = i; L'(ei7Z
for (int j = data.length - 1; j > i; j--) { 7i-G5%w7
if (data[j] < data[lowIndex]) { PkM]jbLe8
lowIndex = j; ^pgVU&-~]/
} n~ w.\939@
} }7?n\I+n"
SortUtil.swap(data,i,lowIndex); sz;B-1^6
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Shell排序: [;6,lI}
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package org.rut.util.algorithm.support; -|F(qf
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import org.rut.util.algorithm.SortUtil; *CtWDUxSdW
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/** h 8Shf"
* @author treeroot g$X4ZRSel
* @since 2006-2-2
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* @version 1.0 8v{0=9,Z
*/ 'PO+P~|oa&
public class ShellSort implements SortUtil.Sort{ }4$k-,1S
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/* (non-Javadoc) ;og[q
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) olA 1,8
*/ m2sf]-?Y
public void sort(int[] data) { ^@91BY
for(int i=data.length/2;i>2;i/=2){ "XKcbdr8-
for(int j=0;j insertSort(data,j,i); $TU:iv1Fm
} Dx1f<A1
} =74yhPAW
insertSort(data,0,1); V
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} {3)^$F=T
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/** ]2zzY::Sd=
* @param data d2\#Zlu<
* @param j oGIh:n7 q+
* @param i Nqy)jfyex
*/ le7!:4/8
private void insertSort(int[] data, int start, int inc) { !+R_Z#gB
int temp; T:<mme3v
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); }#cFr)4f
} 8PRKS J[@K
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} ^RIDC/B=V6
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快速排序: !tuN_
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package org.rut.util.algorithm.support; au+6ookT
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import org.rut.util.algorithm.SortUtil; "gIjU~'A
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/** KkK
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* @author treeroot V;N'?Gu
* @since 2006-2-2 PR+L6DT_
* @version 1.0 zWA~0l.2
*/ l|jb}9(J
public class QuickSort implements SortUtil.Sort{ i3dV2^O
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/* (non-Javadoc) ]ykMh
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) =w,cdU*
*/ AQ<2 "s
public void sort(int[] data) { 'uBagd>*
quickSort(data,0,data.length-1); W{!Slf
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private void quickSort(int[] data,int i,int j){ Au"7w=G`f
int pivotIndex=(i+j)/2; }f;cA
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SortUtil.swap(data,pivotIndex,j); h.t2 ;O, b
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int k=partition(data,i-1,j,data[j]); ZHN}:W/p
SortUtil.swap(data,k,j); -~+Y0\%E
if((k-i)>1) quickSort(data,i,k-1); a +lTAe
if((j-k)>1) quickSort(data,k+1,j); @%[ dh@oY
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} 8GKqPS+
/** du5|/
* @param data u27*-X
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* @param i UmNh0nS
* @param j g[D`.
* @return }"\jB
*/ &Jf67\N
private int partition(int[] data, int l, int r,int pivot) { \L5h&