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。 k&^f Iz
插入排序: y37@4p^@9
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package org.rut.util.algorithm.support; {ES3nCL(8
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import org.rut.util.algorithm.SortUtil; IP-mo!Y.
/** \
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* @author treeroot
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* @since 2006-2-2 z}Q54,9m
* @version 1.0 yZKj>P1
*/ 6+>q1,<
public class InsertSort implements SortUtil.Sort{ Gk<h_1WWK
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/* (non-Javadoc) ke/QFN-`
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 9G&l{7 =
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public void sort(int[] data) { <~]s+"oVc
int temp; 3]T2Zp&;
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); SOd(& >
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冒泡排序: +<I>]J2
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package org.rut.util.algorithm.support; Rgg(rF=K6
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import org.rut.util.algorithm.SortUtil; ' y1=Z
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/** (@]{=q<
* @author treeroot ~G"5!,J
* @since 2006-2-2 Rc @p!Xi
* @version 1.0 3(X"IoNQ
*/ lbMb
public class BubbleSort implements SortUtil.Sort{ 4]B(2FR[8
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/* (non-Javadoc) Bc$t`PI
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) AFyf7^^k
*/ VCtj8hKDr
public void sort(int[] data) { !fY'^Ya?
int temp; :9.ik
for(int i=0;i for(int j=data.length-1;j>i;j--){ Go8 m
if(data[j] SortUtil.swap(data,j,j-1); :\>@yCD
} f $R]m2
} )D Y?Y-n
} @xR=bWY
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} VXQ~PF]z0
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选择排序: JS}iNS'X
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package org.rut.util.algorithm.support; jCkYzQUPz
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import org.rut.util.algorithm.SortUtil; 3nMXfh/
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/** ZJ1%
* @author treeroot ry0P\wY}
* @since 2006-2-2 R]H/Jv\'
* @version 1.0 }9=VhC%J
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public class SelectionSort implements SortUtil.Sort { -Z9e}$q$,
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) "6o}g.
*/ yalT6
public void sort(int[] data) { Qt`}$]
int temp; P`0}( '"U
for (int i = 0; i < data.length; i++) { @uXF(KDX
int lowIndex = i; Yv\>\?865
for (int j = data.length - 1; j > i; j--) { )cxLpTr
if (data[j] < data[lowIndex]) { K_;'-B
lowIndex = j; ]y:2OP
} -pvF~P?8U
} llN#4D9s
SortUtil.swap(data,i,lowIndex); [f 4Nq \i
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} 'GcN9D
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Shell排序: Wb4+U;C^!'
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package org.rut.util.algorithm.support;
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import org.rut.util.algorithm.SortUtil; j\@Ht~G
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/** _P,3~ ;
* @author treeroot xA/Ein0
* @since 2006-2-2 AUBZ7*VO
* @version 1.0 j
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public class ShellSort implements SortUtil.Sort{ @'P\c
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/* (non-Javadoc) \\}tD@V"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) eb10=Lmj
*/ e*K1";
public void sort(int[] data) { l1 Nr5PT
for(int i=data.length/2;i>2;i/=2){ ;tg9$P<85
for(int j=0;j insertSort(data,j,i); ?o$ hlX
} J%r$jpd'
} 3M~*4
insertSort(data,0,1); TuR.'kE@
} `,~8(rIM
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/** IHC
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* @param data xQ~}9Kt\
* @param j &RF*pU>
* @param i lfTDpKz3D
*/ [ H|ifi
private void insertSort(int[] data, int start, int inc) { $1KvL8
int temp; 'qoDFR\v
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); 4+?d0
} 8p"R4
} @?bO@
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快速排序: N./l\NtZ
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package org.rut.util.algorithm.support; a]NH >d
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import org.rut.util.algorithm.SortUtil; 2d:IYCl4q
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/** J2Y
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* @author treeroot 4rDaJd>,
* @since 2006-2-2 $e#V^dph
* @version 1.0 5,vw%F-m
*/ 9S<g2v
public class QuickSort implements SortUtil.Sort{ pA?kv]l(
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/* (non-Javadoc) .0=VQU
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) P80mK-Iyv_
*/ 4C]>{osv
public void sort(int[] data) { V;@kWE>3
quickSort(data,0,data.length-1); qE:/~Q0
} 8r{:di*
private void quickSort(int[] data,int i,int j){ BU;o$"L
int pivotIndex=(i+j)/2; VUd=|$'J
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SortUtil.swap(data,pivotIndex,j); ?hfyQhR
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int k=partition(data,i-1,j,data[j]); S:F8`Gh
SortUtil.swap(data,k,j); 4arqlzlo
if((k-i)>1) quickSort(data,i,k-1); 5oOF|IYi
if((j-k)>1) quickSort(data,k+1,j); I
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} t?l0L1;
/** ))9w)A@
* @param data JnodDH ?
* @param i <&