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。 FQm`~rA~zt
插入排序: Hx#;Z
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package org.rut.util.algorithm.support; `rgn<I"
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import org.rut.util.algorithm.SortUtil; _XG/Pp)
/** XDsx3Ws
* @author treeroot esHg'8?U
* @since 2006-2-2 U@g4w!$r
* @version 1.0 )+l\w3^6
*/ nKS7Q1+
public class InsertSort implements SortUtil.Sort{ B{|8#jqY
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/* (non-Javadoc) >CrA;\l
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) H#@^R(
*/ ABF"~=aL
public void sort(int[] data) { c\iA89msp
int temp; T,]7ICF#
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1);
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冒泡排序: y=`2\L" O
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package org.rut.util.algorithm.support; R#2 t)y
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import org.rut.util.algorithm.SortUtil; Q,p}:e
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/** I2 j}Am
* @author treeroot >}!mQ pAO
* @since 2006-2-2 7bk%mQk
* @version 1.0 29!q!g |
*/ 0|$v-`P$
public class BubbleSort implements SortUtil.Sort{ %%NlTE8*
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/* (non-Javadoc) <4_X P.N
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) !'mq ?C=
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public void sort(int[] data) { aCQ?fq
int temp; ?\$#L^;b}
for(int i=0;i for(int j=data.length-1;j>i;j--){ !X"K=zt"
if(data[j] SortUtil.swap(data,j,j-1); P^w#S
} ;\lW5ZX
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选择排序: oXxCXO,q
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package org.rut.util.algorithm.support; LUC4=kk4
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import org.rut.util.algorithm.SortUtil; wQwQXNG
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/** J.ck~;3
* @author treeroot COW}o~3-4
* @since 2006-2-2 $:
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* @version 1.0 TiYnc3Bz}J
*/ $% 1vW=d
public class SelectionSort implements SortUtil.Sort { %n
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/* 4?-.ZUT-1
* (non-Javadoc) l-ct?T_@
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) R}lsnX<
*/ _T2=J+"-Kp
public void sort(int[] data) { kAu+zX>S+
int temp;
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for (int i = 0; i < data.length; i++) { GDD '[;
int lowIndex = i; 'g$(QvGF9
for (int j = data.length - 1; j > i; j--) { Q($Z%1S
if (data[j] < data[lowIndex]) { U2`'qsR1
lowIndex = j; emdoA:w+
} L+CyQq
} |fSe>uVZ
SortUtil.swap(data,i,lowIndex); !!Aj<*%
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} 'A:x/iv}^
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Shell排序: x-?{E
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package org.rut.util.algorithm.support; 1[jb)j1
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import org.rut.util.algorithm.SortUtil; :%sXO
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/** 8HR mQ
* @author treeroot L5qwWvbT
* @since 2006-2-2 qQ0cJIISb\
* @version 1.0 bks/`rIA
*/ }J7zTj~{
public class ShellSort implements SortUtil.Sort{ HW7; {QMg
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/* (non-Javadoc) ({NAMc*
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Fr%d}g
*/ S6fL>'uQ
public void sort(int[] data) { !>>f(t4
for(int i=data.length/2;i>2;i/=2){ 59#lU~Kv
for(int j=0;j insertSort(data,j,i); ]ix!tb.Q
} Bf$_XG3
} <D::9c j
insertSort(data,0,1); *FmTy|
} .58qL-iC
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/** ixV0|P8,c
* @param data JXw^/Y$
* @param j tqy@iEz+
* @param i H<QT3RF2
*/ 9
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private void insertSort(int[] data, int start, int inc) { r%e KFS
int temp; .cR
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for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); 06Gt&_Q
} YG8>czC
} rvyrxw%[
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快速排序: $z$u{
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package org.rut.util.algorithm.support; r)T:7zy
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import org.rut.util.algorithm.SortUtil; 8&Myva
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/** 9<vWcq*4
* @author treeroot Z lHDi!T
* @since 2006-2-2 gh>>Ibf
* @version 1.0 Lgz$]Jbl8
*/ z`Hy'{1
public class QuickSort implements SortUtil.Sort{ 1RKW2RCaW_
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/* (non-Javadoc) 5qf
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) @ w>zF/
*/ jt@SZI`
public void sort(int[] data) { Z--@.IYoJ
quickSort(data,0,data.length-1); @vMA=v7a
} #XnPsU<J
private void quickSort(int[] data,int i,int j){ bT6sb#"W
int pivotIndex=(i+j)/2; j&