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。 \9D
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插入排序: eR5swy&
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package org.rut.util.algorithm.support; w3yI;P
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import org.rut.util.algorithm.SortUtil; ]A!Gr(FHQ
/** FtY*I&
* @author treeroot yNI}=Z
* @since 2006-2-2 !@ bN
* @version 1.0 9~>;sjJk
*/ }HXNhv-K
public class InsertSort implements SortUtil.Sort{ LI(Wu6*Y
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/* (non-Javadoc) FtE%<QHt
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 9Y*6AaKE6
*/ oIbd+6>f
public void sort(int[] data) { HH[?LKd<
int temp; G?8,&jP~T
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); \Fc"Q@.u
} }4ta#T Ea
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冒泡排序: SAXjB;VH6
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package org.rut.util.algorithm.support; QbpRSdxy`$
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import org.rut.util.algorithm.SortUtil; v)J6}H}e
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/** [ nYwJ
* @author treeroot G4AX8@;U
* @since 2006-2-2 "S)4Cjk
* @version 1.0 1<fEz
*/ <[[DS%(M^
public class BubbleSort implements SortUtil.Sort{ mKWA-h+f
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/* (non-Javadoc) j}S
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) v@"xEf1n[
*/ (zye
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public void sort(int[] data) { Wu:vO2aw8
int temp; IN`05 Q
for(int i=0;i for(int j=data.length-1;j>i;j--){ Alh%Z\
if(data[j] SortUtil.swap(data,j,j-1); ){R_o5
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选择排序: \L6U}ZQ2V
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package org.rut.util.algorithm.support; ?nj _gL
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import org.rut.util.algorithm.SortUtil; `Z]a6@w~
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/** z15(8Y@2]
* @author treeroot +;U}SR<
* @since 2006-2-2 g|e^}voRM
* @version 1.0 44RZk|U1J{
*/ 7Cp>i WV
public class SelectionSort implements SortUtil.Sort { Vg6?a
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/* 6i%LM`8GEk
* (non-Javadoc) v?n`kw
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 1:q55!b
*/
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public void sort(int[] data) { B;hc|v{(
int temp; #B)/d?aa'
for (int i = 0; i < data.length; i++) { ./J.OU1
int lowIndex = i; bq<QUw=]q&
for (int j = data.length - 1; j > i; j--) { 2,q^O3F
if (data[j] < data[lowIndex]) { qV9`
lowIndex = j; k[y{&f,
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SortUtil.swap(data,i,lowIndex); W q F(
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Shell排序: g%1!YvS3v
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package org.rut.util.algorithm.support; 3=T<c?[
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import org.rut.util.algorithm.SortUtil; ]A9Vh
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/** nU)}!` E
* @author treeroot kh^AH6{2
* @since 2006-2-2 8[(c'rl|)|
* @version 1.0 *z` {$hc
*/ 5(u7b
public class ShellSort implements SortUtil.Sort{ 3(E"$Se,f
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/* (non-Javadoc) C&zgt
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 7{v0K"E{
*/ Q%o
public void sort(int[] data) { q+WO nTS
for(int i=data.length/2;i>2;i/=2){ hKt
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for(int j=0;j insertSort(data,j,i); JjyQ
} 7s<v06Wo
} AG/nX?u7)t
insertSort(data,0,1); 1nBE8
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} rS>njG;R
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/** ,#gA(B#
* @param data j
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* @param j u9N?B* &{
* @param i at6f(+
*/ (^eE8j/K
private void insertSort(int[] data, int start, int inc) { 0Q]x[;!k
int temp; H]}Iw5Z
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); 42U3>
} Vnv<]D
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} &nZ=w#_
} 8
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快速排序: YOP=gvZq
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package org.rut.util.algorithm.support; Z&JW}''n|F
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import org.rut.util.algorithm.SortUtil; CuT[V?^iD
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/** afGb}8
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* @author treeroot q,0o:nI
* @since 2006-2-2 d[-w&[iy
* @version 1.0 )q&uvfQ1(
*/ ,Z&"@g
public class QuickSort implements SortUtil.Sort{ +)L
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/* (non-Javadoc) 5<,}^4wWZ
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) y?CEV-3+
*/ n8iejdA'
public void sort(int[] data) { p&:RSO
quickSort(data,0,data.length-1); ,F6i5128{
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private void quickSort(int[] data,int i,int j){ ;u!>( QQ
int pivotIndex=(i+j)/2; wEQV"I
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SortUtil.swap(data,pivotIndex,j); "eZNci
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int k=partition(data,i-1,j,data[j]); `<b 3e(A
SortUtil.swap(data,k,j); $@}6P,mg
if((k-i)>1) quickSort(data,i,k-1); pRPz1J$58
if((j-k)>1) quickSort(data,k+1,j); h1FM)n[E7
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} P `T&z