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。 !I~C0u
插入排序: 4\\.n
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package org.rut.util.algorithm.support; eI0F!Yon
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import org.rut.util.algorithm.SortUtil; w(Gz({l+
/** kymn)Ea
* @author treeroot
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* @since 2006-2-2 xHHV=M2l(s
* @version 1.0 V`[P4k+b
*/ |gW
public class InsertSort implements SortUtil.Sort{ (|dPeix|
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/* (non-Javadoc) vGMJ ^q
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) _PV*lK=
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public void sort(int[] data) { {M[~E|@D
int temp; )%qtE34`
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); Xk?R mU6
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冒泡排序: (8G$(MK
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package org.rut.util.algorithm.support; XMw.wQ'?
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import org.rut.util.algorithm.SortUtil; W^k,Pmopy
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/** vr 4O8#
* @author treeroot ;%WdvnW
* @since 2006-2-2 N
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* @version 1.0 ) "[HZ/
*/ [zQWyDu
public class BubbleSort implements SortUtil.Sort{ T9?54r
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/* (non-Javadoc) =JW[pRI5a
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) AWT"Y4Ie
*/ &{ ZSE^
public void sort(int[] data) { 4jGLAor|
int temp; U(*yL-
for(int i=0;i for(int j=data.length-1;j>i;j--){ t.)AggXj#
if(data[j] SortUtil.swap(data,j,j-1); 3fp> 4;ym'
} qp&4 1
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选择排序: /c#l9&,
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package org.rut.util.algorithm.support; . :a<2sp6
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import org.rut.util.algorithm.SortUtil; ;&
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/** kiX%3(
* @author treeroot 2+:'0Krc
* @since 2006-2-2 ,{8v4b-
* @version 1.0 OKAkl
*/ #wjH4DT
public class SelectionSort implements SortUtil.Sort { u-szt ? O|
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ){ gAj
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public void sort(int[] data) { k. GA8=]>
int temp; XYAmJ
for (int i = 0; i < data.length; i++) { uR_F,Mp?%u
int lowIndex = i; /_*>d)
for (int j = data.length - 1; j > i; j--) { wa ky<w,
if (data[j] < data[lowIndex]) { X#ZgS!Mn
lowIndex = j; V!&P(YO:
} {/|qjkT&W
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SortUtil.swap(data,i,lowIndex); v{y{sA
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Shell排序: FN?3XNp.
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package org.rut.util.algorithm.support; QVtM.oi!Q
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import org.rut.util.algorithm.SortUtil; ^npJUa
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/** pM2a(\K,k^
* @author treeroot
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* @since 2006-2-2 re`t ]gzb
* @version 1.0 <3Gqv9Y&
*/ :=fvZA WD
public class ShellSort implements SortUtil.Sort{ l r~gG3
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/* (non-Javadoc) `@XehSQ
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Wi$dZOcSJ
*/ cj
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public void sort(int[] data) { .Dw,"VHP
for(int i=data.length/2;i>2;i/=2){ ~xDw*AC-
for(int j=0;j insertSort(data,j,i); c-8!#~M(
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} wC`
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insertSort(data,0,1); 1mH\k5xu
} 2"&)W dm
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/** Nfn(Xn*J-
* @param data Ik~1:D]f
* @param j !p[`IWZ
* @param i op @iGC+
*/ LM"y\q ]
private void insertSort(int[] data, int start, int inc) { n7l%gA*
int temp; e;ty !)]
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); >EP(~G3u
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} }V`mp
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} OYmi?y\
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快速排序: hfrnxeM#~
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package org.rut.util.algorithm.support; +sZUJ
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import org.rut.util.algorithm.SortUtil; L
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/** }roG(
* @author treeroot AK-}V4C/A
* @since 2006-2-2 2Z/K(J"&J
* @version 1.0 KnzsHli,~k
*/ JTW)*q9a
public class QuickSort implements SortUtil.Sort{ Q6'nSBi:A_
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/* (non-Javadoc) ;>"nn
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) P Sx304
*/ g/Wh,f3
public void sort(int[] data) { c`G&KCw)d
quickSort(data,0,data.length-1); '2nqHX
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} e3m*i}K}
private void quickSort(int[] data,int i,int j){ N1x@-/xa|
int pivotIndex=(i+j)/2; d,cN(
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SortUtil.swap(data,pivotIndex,j); %XTA;lrz
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int k=partition(data,i-1,j,data[j]); B0Xl+JIR#
SortUtil.swap(data,k,j); glUo7^ay7
if((k-i)>1) quickSort(data,i,k-1); nH[+n `{o
if((j-k)>1) quickSort(data,k+1,j); ux-CpI
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} c&'JmKV>&
/** kB
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* @param data )S@jDaU<