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。 &/A8-:m
插入排序: ?%O3Oi Xz
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package org.rut.util.algorithm.support; QR">.k4QJ
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import org.rut.util.algorithm.SortUtil; [0OJdY4
/** 6r"u$i`o
* @author treeroot nJ?^?M'F%
* @since 2006-2-2 L&-hXGx=7
* @version 1.0 $hR)i
*/ =TP(
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public class InsertSort implements SortUtil.Sort{ PS
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/* (non-Javadoc) Gq#~vr
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) `Y40w#?uW
*/ 0)m8)!gj
public void sort(int[] data) { LwuF0\
int temp; @mt0kV9
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); U Q@7n1
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冒泡排序: E^ hHH?w+
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package org.rut.util.algorithm.support; H ftxS
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import org.rut.util.algorithm.SortUtil; ?@6/Alk
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/** qP*}.Sqk7
* @author treeroot zHfP+(ah
* @since 2006-2-2 v=I|O%
* @version 1.0 ":Edu,6O
*/ Lh$dzHq
public class BubbleSort implements SortUtil.Sort{ ~Z$bf>[(R7
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/* (non-Javadoc) iP3Z
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) :`vP}I ^
*/ 6qo^2
public void sort(int[] data) { >cL{Ya}Rz
int temp; ]>i~6!@
for(int i=0;i for(int j=data.length-1;j>i;j--){ iF+RnWX\
if(data[j] SortUtil.swap(data,j,j-1); p3^jGj@
} >i,iOx|E-
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选择排序: %qsvtc`
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package org.rut.util.algorithm.support; sTHq&(hLUG
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import org.rut.util.algorithm.SortUtil; smAC,-6]~
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/** _'x8M
* @author treeroot R@T6U:1
* @since 2006-2-2 24\gbv<
* @version 1.0 [IM%b~j(^
*/ "L&k)J
public class SelectionSort implements SortUtil.Sort { g+zJ?
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/* (9fdljl],:
* (non-Javadoc)
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* $<?X7n^
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) @=]8^?$t
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*/ Md;/nJO~{
public void sort(int[] data) { VU!w!GN]Y
int temp; ZX`J8lZP
for (int i = 0; i < data.length; i++) { M"^K0 .
int lowIndex = i; u>T76,8|\
for (int j = data.length - 1; j > i; j--) { QYE7p\
if (data[j] < data[lowIndex]) { {GqXP0'
lowIndex = j; U Lmg$T&
} &;q<M_<
} NSLVD[yT
SortUtil.swap(data,i,lowIndex); iT)WR90
} GSVdb/+
} `QP
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Shell排序: U_z2J(e~
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package org.rut.util.algorithm.support; 0^ !Gib
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import org.rut.util.algorithm.SortUtil; nZvU'k:
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/** sroGER.
* @author treeroot .5tg4%l
* @since 2006-2-2 X1J;1hRUP
* @version 1.0 Bmr<O!
*/ ?KN:r E
public class ShellSort implements SortUtil.Sort{ 0~E 6QhV:
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/* (non-Javadoc) \%_ZV9cKF
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) r)l`
*/ nTnRGf\T
public void sort(int[] data) { \gKdDS
for(int i=data.length/2;i>2;i/=2){ qJs[i>P[W
for(int j=0;j insertSort(data,j,i); pVokgUrC
} jq oPLbxT
} m3
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insertSort(data,0,1); !QC<n/
} u35q,u=I
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/** Q9y*:
* @param data wa3F
* @param j F,Fo}YQX
* @param i 6mG3fMih.
*/ 71iRG*O
private void insertSort(int[] data, int start, int inc) { $AwZ2HY
int temp; ILG?r9x
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); m4**>!I
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} 1$["79k
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快速排序: a&5g!;.
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package org.rut.util.algorithm.support; h(:<(o@<
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import org.rut.util.algorithm.SortUtil; D!l8l49hLu
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/** *wUdC
* @author treeroot @l,{x|00
* @since 2006-2-2 G' Hh{_:
* @version 1.0 u6_jnZGB
*/ fPE ?hG<x
public class QuickSort implements SortUtil.Sort{
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/* (non-Javadoc) #S?c ;3-
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 'Oy5e@G+?
*/ rt.[,m
public void sort(int[] data) { i[=C_+2
quickSort(data,0,data.length-1); .~<]HAwq
} y&rY0bm
private void quickSort(int[] data,int i,int j){ <9 },M
int pivotIndex=(i+j)/2; Jr?!Mh-
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SortUtil.swap(data,pivotIndex,j); (5(fd.m+_
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int k=partition(data,i-1,j,data[j]); @.o@-3k
SortUtil.swap(data,k,j); h]}`@M"
if((k-i)>1) quickSort(data,i,k-1); 3:" &Z6t#
if((j-k)>1) quickSort(data,k+1,j); GN%<"I.
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} w
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/** |uQ[W17^N
* @param data (w2(qT&