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。 E@:Q 'g%
插入排序: :~yzDk\I"-
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package org.rut.util.algorithm.support; +H7y/#e+3
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import org.rut.util.algorithm.SortUtil; YU&4yk lE
/** r,5-XB
* @author treeroot 9o EpPL5
* @since 2006-2-2 sF y]+DB
* @version 1.0 UmJUt|
*/ M~-h-tG
public class InsertSort implements SortUtil.Sort{ C1 W>/?XC
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/* (non-Javadoc) lqF>=15
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) pjACFVMFX
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public void sort(int[] data) { _ j~4+H
int temp; dsV ~|D6:
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); z
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冒泡排序: I:F
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package org.rut.util.algorithm.support; Uj,g]e8e
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import org.rut.util.algorithm.SortUtil; 2 l(Dee Y
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/** L?HF'5o
* @author treeroot c}%es=@
* @since 2006-2-2 BhLZ7 *
* @version 1.0 hfg
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*/ `y2ljIWJ
public class BubbleSort implements SortUtil.Sort{ 9\AS@SH{^T
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/* (non-Javadoc) KSc~GP_
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) -KiRj!v|
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public void sort(int[] data) { F$h'p4$T
int temp; 4:U0f;Fs
for(int i=0;i for(int j=data.length-1;j>i;j--){ `E W!-v)
if(data[j] SortUtil.swap(data,j,j-1); yX'IZk#_L
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选择排序: I8k
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package org.rut.util.algorithm.support; `VZZ^K9zR
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import org.rut.util.algorithm.SortUtil; >jMH#TZaX
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/** +i=p5d5
* @author treeroot ]_u`EvEx6
* @since 2006-2-2 JT)k
* @version 1.0 E0YU[([G
*/ /cfHYvnz
public class SelectionSort implements SortUtil.Sort { t#5:\U5r.
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/* <tuS,.
* (non-Javadoc) M/#U2!iFk
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 9"ugz^uKt
*/ Q]#Z9 H
public void sort(int[] data) { dIJGB==
int temp; -k{Jp/-D
for (int i = 0; i < data.length; i++) { yp+F<5o
int lowIndex = i; lw[<STpD;
for (int j = data.length - 1; j > i; j--) { dB3N%pB^
if (data[j] < data[lowIndex]) { X NE+(Bt
lowIndex = j; }g{_AiP
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} DA=1KaJ .
} g1@wf
SortUtil.swap(data,i,lowIndex); $<OhGk-
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Shell排序: 4RQ5(YTTuR
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package org.rut.util.algorithm.support;
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import org.rut.util.algorithm.SortUtil; 0S.?E.-&0
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/** C[YnrI!
* @author treeroot z-@-O
* @since 2006-2-2 Mr*|9h
* @version 1.0 V@Wcb$mgk
*/ dJl^ADX[@
public class ShellSort implements SortUtil.Sort{ <Wy>^<`
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/* (non-Javadoc) C) .2gQ
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) *#2Rvt*Ox
*/ lIh[|]
public void sort(int[] data) { ]k*1KP
for(int i=data.length/2;i>2;i/=2){ bk3Unreh
for(int j=0;j insertSort(data,j,i); gX,9Gh
} KzVTkDn,
} 254~:eB0
insertSort(data,0,1); <*Y'lV
} 16$y`~c-z
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/** l h/&__
* @param data nbxR"UH
* @param j VXIQw'Cq
* @param i NHkL24ve
*/ (1){A8=?o
private void insertSort(int[] data, int start, int inc) { FT/amCRyT
int temp; 5f{|"LG&
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); zj%cQkZ
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快速排序: o6|-=FcvC
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package org.rut.util.algorithm.support; R]QpMj%o
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import org.rut.util.algorithm.SortUtil; S()Za@ [a$
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/** hI~SAd
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* @author treeroot @vs@>CYdz
* @since 2006-2-2 TnE+[.Qu
* @version 1.0 uD)-V;}P@;
*/ e|'N(D}h*
public class QuickSort implements SortUtil.Sort{ -7`-wu
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/* (non-Javadoc) qY(:8yC36
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) z $6JpG
*/ g%\L&}Jd
public void sort(int[] data) { ek)Xrp:2
quickSort(data,0,data.length-1); \*"`L3
} R^P_{_I*"
private void quickSort(int[] data,int i,int j){ fk3kbdI
int pivotIndex=(i+j)/2; 7g6RiH}
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SortUtil.swap(data,pivotIndex,j); 77We;a
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int k=partition(data,i-1,j,data[j]); D1X{:#|
SortUtil.swap(data,k,j); @ajM^L!O
if((k-i)>1) quickSort(data,i,k-1); R^8B3-aA`
if((j-k)>1) quickSort(data,k+1,j); ;^-:b(E
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} 6
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/** DO^y;y>
* @param data JO1
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* @param i jA`a/vWu
* @param j R6@uM<