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。 =:o)+NE
插入排序: ?W%3>A
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package org.rut.util.algorithm.support; }#w>>{Q
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import org.rut.util.algorithm.SortUtil; w[:5uo(
/** PY)C=={p
* @author treeroot _mA[^G=gY
* @since 2006-2-2 kd!f/'E!
* @version 1.0 'xr\\Cd9s
*/ *l_1T4]S
public class InsertSort implements SortUtil.Sort{ an0@EkZ
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) B RD>q4w
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public void sort(int[] data) { r{p?aG
int temp; x\I9J4Q
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); |VaXOdD`&
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冒泡排序: |hOqz2|
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package org.rut.util.algorithm.support; PM o>J|^
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import org.rut.util.algorithm.SortUtil; EDL<J1%
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/** &eK8v]|"W
* @author treeroot
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* @since 2006-2-2 JF24~Q4P
* @version 1.0 }w"laZ*
*/ ^J@Y?CQl\
public class BubbleSort implements SortUtil.Sort{ {Qlvj.Xw
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/* (non-Javadoc) 8~}Ti*Urc
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ~;Xdz/
*/ a8A8?:
public void sort(int[] data) { _g$6vx&
int temp; \u",bMQF
for(int i=0;i for(int j=data.length-1;j>i;j--){ WElB,a-RCp
if(data[j] SortUtil.swap(data,j,j-1); 6ZCt xs!
} UO>p-M
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选择排序: .i@e6JE~;
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package org.rut.util.algorithm.support; GZ*cV3Y`&
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import org.rut.util.algorithm.SortUtil; $+:_>n^#/
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/** ;`s/|v
* @author treeroot A4 o'EQ?~
* @since 2006-2-2 ks
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* @version 1.0 zcP_-q]1
*/ X;ijCZb3b
public class SelectionSort implements SortUtil.Sort { u@[D*c1!H
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public void sort(int[] data) { XQHvs{Po
int temp; h]vA%VuE'E
for (int i = 0; i < data.length; i++) { b!ot%uZZ
int lowIndex = i; 1i#M(u_
for (int j = data.length - 1; j > i; j--) { |u7vY/
if (data[j] < data[lowIndex]) { 9q;+ Al^Z
lowIndex = j; LF{d'jJ&K
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SortUtil.swap(data,i,lowIndex); e ST8>r
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Shell排序: v; &-]ka
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package org.rut.util.algorithm.support; ~t.*B& A
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import org.rut.util.algorithm.SortUtil; bAGQ
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/** bL ] *K$
* @author treeroot Jf YO|,
* @since 2006-2-2 Qpe&_.&RE
* @version 1.0 7rbl+:y2
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public class ShellSort implements SortUtil.Sort{ I+kDx=T!
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/* (non-Javadoc) +F]X
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) HYZ94[Ti
*/ 5BN!uUkm+
public void sort(int[] data) { Z)~.OqRw]
for(int i=data.length/2;i>2;i/=2){ v\'Eo*4
for(int j=0;j insertSort(data,j,i); c7[|x%~
} ^Z$%OM,
} pGc_Klq
insertSort(data,0,1); +DY% Y
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/** yCwBZ/C
* @param data xrFFmQ<_W
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* @param i kXFgvIpg<
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private void insertSort(int[] data, int start, int inc) {
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int temp; 4onRO!G,
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); e23}'qb
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快速排序: 0
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package org.rut.util.algorithm.support; "g;^R/sfq
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import org.rut.util.algorithm.SortUtil;
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/** )kfj+/
* @author treeroot (RW02%`jjy
* @since 2006-2-2 `md)|PSU
* @version 1.0 JKN0:/t7Q
*/ }pxMO? h$
public class QuickSort implements SortUtil.Sort{ :Q@=;P2
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/* (non-Javadoc) E%@,n9T~"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) :y^0]In
*/ 96x$Xl;
public void sort(int[] data) { \Ld/'Z;w
quickSort(data,0,data.length-1); i P gewjx
} sH(@X<{p
private void quickSort(int[] data,int i,int j){ Jn!-Wa,
int pivotIndex=(i+j)/2; pB*8D
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SortUtil.swap(data,pivotIndex,j); :)hS-*P
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int k=partition(data,i-1,j,data[j]); =8:m:Y&|`G
SortUtil.swap(data,k,j); b{q-o <