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"8cB]`|8
插入排序: x""gZzJ$L
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package org.rut.util.algorithm.support; Qv~KGd9
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import org.rut.util.algorithm.SortUtil; _; 7{1n
/** Ih_2")d
* @author treeroot ib$_x:OO"
* @since 2006-2-2 ~cHpA;x9<^
* @version 1.0 ;fg8,(SM^
*/ 8#?jYhT7
public class InsertSort implements SortUtil.Sort{ BT[jD}?
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/* (non-Javadoc) 5!GL"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) (- ]A1WQ?
*/ iIZDtZFF
public void sort(int[] data) { %qN_<W&Ze
int temp; % Q| >t~
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); o{C7V*
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冒泡排序: uU+R,P0
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package org.rut.util.algorithm.support; (~}P.?C8
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import org.rut.util.algorithm.SortUtil; os<YfMM<:/
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/** 99xs5!4s
* @author treeroot 2QUZBrs s
* @since 2006-2-2 SEf:u
* @version 1.0 "Q{)H8,E)x
*/ <m") 2dJ
public class BubbleSort implements SortUtil.Sort{ ?\_\pa/+
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/* (non-Javadoc) EMe3Xb
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) . \/jy]Y
*/ s"tyCDc.c
public void sort(int[] data) { 12W`7
int temp; W Z!?O0.A
for(int i=0;i for(int j=data.length-1;j>i;j--){ .Oh4b5
if(data[j] SortUtil.swap(data,j,j-1); Etv!:\\[
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选择排序: l y!vbpE_
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package org.rut.util.algorithm.support; ao+lLCr
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import org.rut.util.algorithm.SortUtil; I-L52%E]
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/** i .O670D
* @author treeroot '>8IOC
* @since 2006-2-2 _zuaImJ0o
* @version 1.0 8XS_I{}?
*/ HUP~
public class SelectionSort implements SortUtil.Sort { H%`$@U>
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/* {>x6SVF
* (non-Javadoc) he/WqCZg
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) !z EW)
*/ 4Lg!54P8
public void sort(int[] data) { eootHK
int temp; V*}xlxSL
for (int i = 0; i < data.length; i++) { !]^,!7x,8j
int lowIndex = i; F!N D
for (int j = data.length - 1; j > i; j--) { CrvL[6i
if (data[j] < data[lowIndex]) { ?%QWpKO7X
lowIndex = j; ]npsclvJ
} #8cpZ]#
} O_gr{L}
SortUtil.swap(data,i,lowIndex); {c(@u6l28
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} 5mtsN#
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Shell排序: 9)y7K%b0
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package org.rut.util.algorithm.support; JY5)^<.d
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import org.rut.util.algorithm.SortUtil; E~4d6~s
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/** FZk=-.Hk
* @author treeroot %ZKP d8
* @since 2006-2-2 '<$!?="
* @version 1.0 [Yi;k,F:
*/ &d%0[Ui`
public class ShellSort implements SortUtil.Sort{ x>C_O\
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/* (non-Javadoc) ' F,.y6QU
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Zk={3Y
*/ ekR/X
public void sort(int[] data) { |. ZYY(}
for(int i=data.length/2;i>2;i/=2){ B_kjy=]O.
for(int j=0;j insertSort(data,j,i); oJ:\8>)9
} .!oYIF*0zC
} =x &"aF1
insertSort(data,0,1); {E 'go]
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/** y;GwMi$KI
* @param data O
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* @param j )R+26wZ|n*
* @param i tCF,KP?
*/ aSGZF w
private void insertSort(int[] data, int start, int inc) { N I*x):bx
int temp; yPn!1=-(
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); B$\,l.hE
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快速排序: \>G :mMk/
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package org.rut.util.algorithm.support; \]Nt-3|`0
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import org.rut.util.algorithm.SortUtil; f"Z2,!Z;
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/** (O(X k+L
* @author treeroot KAFx^JLo
* @since 2006-2-2 `mt x+C
* @version 1.0 I{8sLzA03S
*/ VoGyjGt&
public class QuickSort implements SortUtil.Sort{ o-}q|tD$<
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/* (non-Javadoc) xQ]^wT.Q
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) #~JR_oQE!
*/ x%`.L6rj
public void sort(int[] data) { \F; S
quickSort(data,0,data.length-1); lQ{o[axT
} &tjv.t
private void quickSort(int[] data,int i,int j){
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int pivotIndex=(i+j)/2; Qt~QJJN?oF
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SortUtil.swap(data,pivotIndex,j); 'CfM'f3uu
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int k=partition(data,i-1,j,data[j]); Py!
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SortUtil.swap(data,k,j); Z/*X)mBuB
if((k-i)>1) quickSort(data,i,k-1); N
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if((j-k)>1) quickSort(data,k+1,j); !l7D1i~
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} 8Buus
/** M3EB=tU
* @param data
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* @param i l`b%imX
* @param j &UextG