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。 Zj[Bm\8
插入排序: ?,;|*A
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package org.rut.util.algorithm.support; !D7[R'RgY
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import org.rut.util.algorithm.SortUtil; '[{M"S
/** 4ehajK
* @author treeroot &:nWZ!D
* @since 2006-2-2 mAX]m 1s
* @version 1.0 )U`H7\*)
*/ kS[k*bN0
public class InsertSort implements SortUtil.Sort{ pzCD'
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/* (non-Javadoc) |Gzd|$%Oq
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) |bVNlL"xN
*/ nZ$,Bjb
public void sort(int[] data) { iEsI
int temp; 8n,i5>!d
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); Z"mpE+U*
} h,\^Sb5AP
} 7=6p
} VQ$=F8ivG
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} D-8%lGS
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冒泡排序: ~i=/@;wRp
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package org.rut.util.algorithm.support; ?A8Uf=
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import org.rut.util.algorithm.SortUtil;
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/** ^>72<1U%
* @author treeroot m32OE`s
* @since 2006-2-2 L>).o%(R
* @version 1.0 i/,G=yA
*/ $xvEYK
public class BubbleSort implements SortUtil.Sort{ EJNj.c-#
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/* (non-Javadoc) ;KbnaUAS8
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) w(k7nGU]
*/ {t;Q#Ou.
public void sort(int[] data) { lmz{,O
int temp; k(3s^B
for(int i=0;i for(int j=data.length-1;j>i;j--){ uY5f mM9
if(data[j] SortUtil.swap(data,j,j-1); aL-V 9y
} D@"q2 !
} a`~$6
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} Iu[^"
} 6aX m9J
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} KVSy^-."
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选择排序: Rqa#;wb!(
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package org.rut.util.algorithm.support; Yc"G="XP;
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import org.rut.util.algorithm.SortUtil; R0gjx"U
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/** ^r(2
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* @author treeroot j &)|nK;}
* @since 2006-2-2 mucY+k1>g
* @version 1.0 ]W5s!T_
*/ Y GO ;wIS
public class SelectionSort implements SortUtil.Sort { YzhZ%:8
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/* )qzJu*cQ
* (non-Javadoc) )d>"K`3
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 7>9/bB+TL
*/ $*G]6s
public void sort(int[] data) { <$Q&n{
int temp; .Uh-Wi[
for (int i = 0; i < data.length; i++) { w44{~[0d4
int lowIndex = i; E IsA2 f
for (int j = data.length - 1; j > i; j--) { pE^L Qi
if (data[j] < data[lowIndex]) { oHxaa>C>
lowIndex = j; 1 mFc]1W
} $gJMF(
} ''?.6r
SortUtil.swap(data,i,lowIndex); ~N>[7I"*
} 3-hu'xSU
} G"O%u|7
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} .^,fw=T|1
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Shell排序: Jn'q'+
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package org.rut.util.algorithm.support; .: 87B=
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import org.rut.util.algorithm.SortUtil; FOquQr1cF
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/** yXg783B|v
* @author treeroot yJ/m21f
* @since 2006-2-2 YV.*8'*
* @version 1.0 WxWgY}`
*/ A}t.`FLP,j
public class ShellSort implements SortUtil.Sort{ FK
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/* (non-Javadoc) OAOG&6xu8
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) D<5gdIw
*/
public void sort(int[] data) { *yiJw\DRN
for(int i=data.length/2;i>2;i/=2){ L)y }
for(int j=0;j insertSort(data,j,i); ~Xh(JK]
} TG{=~2
} Tk|0
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insertSort(data,0,1); MR#jI
} D7sw;{ns
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/** c?V,a`6
* @param data Hu1w/PLq
* @param j lY?TF
* @param i j MW|B
*/ 87YT;Z;U&
private void insertSort(int[] data, int start, int inc) { ?rk3oa-
int temp; unSF;S<
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); UF D_
} UF,T
} ^q%~K{'`-
} bxrByu~| 1
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} z* zLK[t+
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快速排序: [9[tn-
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package org.rut.util.algorithm.support; _^#PV}
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import org.rut.util.algorithm.SortUtil; K 2LLuS!
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/** }{=%j~V;&
* @author treeroot S4~^HvMG[Y
* @since 2006-2-2 oYlq1MB?
* @version 1.0 gA" =so
*/ P)(Ly5$*
public class QuickSort implements SortUtil.Sort{ D;BFl(l
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/* (non-Javadoc) CU lANd"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) T/-PSfbkj
*/ o"7,CQye
public void sort(int[] data) { w?oIKj
quickSort(data,0,data.length-1); IW6;ZDP
} *`|.:'
private void quickSort(int[] data,int i,int j){ cM C1|3
int pivotIndex=(i+j)/2; @<>](4D
file://swap lJ}G"RTm
SortUtil.swap(data,pivotIndex,j); sBwkHsDD
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int k=partition(data,i-1,j,data[j]); TD!QqLW
SortUtil.swap(data,k,j); r}"Ty
if((k-i)>1) quickSort(data,i,k-1); xV}|G
if((j-k)>1) quickSort(data,k+1,j); WVJN6YNd V
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