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。 U [*FCD!~
插入排序: 5*E]ETo@R
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package org.rut.util.algorithm.support; 0QFS
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import org.rut.util.algorithm.SortUtil; ^2+yHw
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* @author treeroot
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* @since 2006-2-2 {`J)j6;
* @version 1.0 ;P;-}u
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public class InsertSort implements SortUtil.Sort{ 'r4/e-`pK
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) %kv0Wefs
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public void sort(int[] data) { $RYa6"`
int temp; OPwtV9%
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); Z?}dq-Vh&
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冒泡排序: ;LcVr13J/
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package org.rut.util.algorithm.support; &]8P1{
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import org.rut.util.algorithm.SortUtil; r) HHwh{9
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/** YX=a#%vrl
* @author treeroot kv3E4,<9
* @since 2006-2-2 ?
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* @version 1.0 d_CKP"TA
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public class BubbleSort implements SortUtil.Sort{ 0C1pt5K
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/* (non-Javadoc) Gnf~u[T6
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) }#.L7SIJ<J
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public void sort(int[] data) { K&bzDzd `
int temp; 4^TG>j?M
for(int i=0;i for(int j=data.length-1;j>i;j--){ L_vISy%\b
if(data[j] SortUtil.swap(data,j,j-1); U[SaY0Z
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选择排序: ^=T$&gD
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package org.rut.util.algorithm.support; pi /g H
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import org.rut.util.algorithm.SortUtil; H(bs$C4F
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/** 'd.EC#
* @author treeroot vtw6FX_B
* @since 2006-2-2 t\NqR
* @version 1.0 21
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public class SelectionSort implements SortUtil.Sort { 4xk|F'6K
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) =+ytTQc*ot
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public void sort(int[] data) { #.it]Nv{
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for (int i = 0; i < data.length; i++) { 'ixwD^x
int lowIndex = i; 8dZ0rPd?
for (int j = data.length - 1; j > i; j--) { j/>$,
if (data[j] < data[lowIndex]) { fG}tMSI
lowIndex = j; b?TO=~k,
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SortUtil.swap(data,i,lowIndex); lp<g\
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Shell排序: dQ_!)f&w1
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package org.rut.util.algorithm.support; T?
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import org.rut.util.algorithm.SortUtil; Qk\A
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/** >}!mQ pAO
* @author treeroot Pdt6nzfr
* @since 2006-2-2 }D7I3]2>
* @version 1.0 ?%`@ub$
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public class ShellSort implements SortUtil.Sort{ 9:,V5n=
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/* (non-Javadoc) 'f[T&o&L/
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) '<rZm=48
*/ zRq-b`<7V
public void sort(int[] data) { 30XR
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for(int i=data.length/2;i>2;i/=2){ T'4z=Z]w
for(int j=0;j insertSort(data,j,i); *8#i$w11M
} )6+eNsxMlC
} _C(m<n
insertSort(data,0,1); c}y [[EX
} PIH*Rw*GKZ
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/** $4tWI O
* @param data |_`E1Y}}
* @param j R$[#+X!
* @param i h&`e) a>+
*/ Hz.(qW">5*
private void insertSort(int[] data, int start, int inc) { 5$wpL(:R(
int temp; y>72{
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); DTaN"{
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} zY|t0H
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} GG@md_
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快速排序: b!sRk@LGZ
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package org.rut.util.algorithm.support; 6
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import org.rut.util.algorithm.SortUtil; MxGu>r
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/**
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* @author treeroot qW!]co
* @since 2006-2-2 YN`H
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* @version 1.0 A-4h
*/ J.ck~;3
public class QuickSort implements SortUtil.Sort{ _Y8hb!#(
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/* (non-Javadoc) O
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) e XfZ5(na
*/ 7VMvF/ap]u
public void sort(int[] data) { u86"Y^d#
quickSort(data,0,data.length-1); xKQ+{"?-^g
} *M$0J'-BQ
private void quickSort(int[] data,int i,int j){ gF$V$cU
int pivotIndex=(i+j)/2; n@U n
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SortUtil.swap(data,pivotIndex,j); (*oL+ef-C
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int k=partition(data,i-1,j,data[j]); &_"]5/"(
SortUtil.swap(data,k,j); N5i+3&
if((k-i)>1) quickSort(data,i,k-1); Dh5X/y
if((j-k)>1) quickSort(data,k+1,j); H63,bNS s
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} Td G!&:>
/** /c2w/+ _
* @param data d4nH_?
* @param i E I:w
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* @param j D3)zk@N
* @return );Z1a&K5k
*/ 6(G?MW.
private int partition(int[] data, int l, int r,int pivot) { Gi "941zVl
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