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。 6lp.0B
插入排序: u?ALZxj?
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package org.rut.util.algorithm.support; ^Yz.}a##w2
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import org.rut.util.algorithm.SortUtil; >ZE8EL
/** <~rf;2LZ
* @author treeroot /2<1/[#
* @since 2006-2-2 y; .U-}e1
* @version 1.0 .4t-5,7s%
*/ ?qdZ]M4e
public class InsertSort implements SortUtil.Sort{ #o(c=
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/* (non-Javadoc) @T
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) MPexc5_
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public void sort(int[] data) { YH:murJMZ
int temp; %[ Z[
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); /C'dW
} e>OYJd0s
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冒泡排序: XOdkfmc+s'
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package org.rut.util.algorithm.support; ]0g$3
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import org.rut.util.algorithm.SortUtil; +Kw&XRAd
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/** %
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* @author treeroot bG'"l qn
* @since 2006-2-2 5bfd8C
* @version 1.0 |t1ij'N
*/ S7I8BS[*v
public class BubbleSort implements SortUtil.Sort{ |%i|P)]
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/* (non-Javadoc) A `H&"A
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ]tu:V,q
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public void sort(int[] data) { uTX0lu;
int temp; Nydhal00
for(int i=0;i for(int j=data.length-1;j>i;j--){ &3o[^_Ti
if(data[j] SortUtil.swap(data,j,j-1); |x
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选择排序: x+X^K_*
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package org.rut.util.algorithm.support; P+hp'YK1
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import org.rut.util.algorithm.SortUtil; `akbzHOM
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/** TqZ&X|G
* @author treeroot DaK2P;WP
* @since 2006-2-2 PCx] >&
* @version 1.0 |, Lp1
*/ cc$L56q
public class SelectionSort implements SortUtil.Sort { W,g0n=2V
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/* .t7mTpi
* (non-Javadoc) !Q0aKkMfL
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) :kaHvf
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public void sort(int[] data) { bM9:h
int temp; ?puZqVu5
for (int i = 0; i < data.length; i++) { WN_i-A1G/h
int lowIndex = i; J4xJGO
for (int j = data.length - 1; j > i; j--) { uqN:I)>[P
if (data[j] < data[lowIndex]) { V&j
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lowIndex = j; /=|5YxY
} %)|_&Rh
} qM|-2Zl!+
SortUtil.swap(data,i,lowIndex); cSkJlhwNn
} }'FNGn.~#
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Shell排序: itp$c|{
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package org.rut.util.algorithm.support; ^LO`6,
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import org.rut.util.algorithm.SortUtil; 9qqzCMrI0e
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/** &>0ape
* @author treeroot +mr\AAFn
* @since 2006-2-2 @`hnp:
* @version 1.0 @ZD/y%e
*/ T9c=As_EM
public class ShellSort implements SortUtil.Sort{ q,W6wM;,E
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/* (non-Javadoc) w^.^XK4v.
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) dV5a Ij
*/ S!u`V3-s
public void sort(int[] data) { K yqFeR
for(int i=data.length/2;i>2;i/=2){ !JkH$~
for(int j=0;j insertSort(data,j,i); X+:>&&9
} `D#3
} <K#]1xCA
insertSort(data,0,1); [qMFLY$
} :*{>=BD
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/** \w]c<gM K
* @param data 1 o;*`
* @param j c04"d"$ x
* @param i .hD2g"
*/ \mBH6GS
private void insertSort(int[] data, int start, int inc) { 0>E0}AvkT
int temp; 0Q]p#;
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); %?4G^f
} HfF4BQxm
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}
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快速排序: T}?vp~./
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package org.rut.util.algorithm.support; ddR_+B*H
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import org.rut.util.algorithm.SortUtil; 05|,-S
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/** ,r,~1oV<"
* @author treeroot 7jb{E+DrG
* @since 2006-2-2 &I[ITp6y0
* @version 1.0 I3 %P_oW'
*/ owA0I'|V-A
public class QuickSort implements SortUtil.Sort{ {GaQV-t
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/* (non-Javadoc) 4zF|}aiQ
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Wgh4DhAW
*/ lZ3o3"
public void sort(int[] data) { <z>K{:+>
quickSort(data,0,data.length-1); .?TPoqs7Z
} i>Cxi ZT
private void quickSort(int[] data,int i,int j){ ")q{>tV
int pivotIndex=(i+j)/2; ~/@5&