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。 QytO0K5
插入排序: BValU
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package org.rut.util.algorithm.support;
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import org.rut.util.algorithm.SortUtil; Q
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/** i;HXz`vT7
* @author treeroot WyV4p
* @since 2006-2-2 r9f- [wC
* @version 1.0 S]H[&o1o
*/ I"]E}n d)
public class InsertSort implements SortUtil.Sort{ YdI6|o@vc
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) gc4o
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public void sort(int[] data) { B;bP~e>W
int temp; 'M%iS4b{IM
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); |6AR!
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冒泡排序: (CQ! &Z8
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package org.rut.util.algorithm.support; kV8R.Baf3
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import org.rut.util.algorithm.SortUtil; Q}&'1J
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/** b8a(.}8*
* @author treeroot 6Emn@Mn=
* @since 2006-2-2 uNf'Zeo
* @version 1.0 c:${qY:!
*/ rT="ciQ
public class BubbleSort implements SortUtil.Sort{ ,IiKe_B
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/* (non-Javadoc) -IIrrY
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Qz`evvH
*/ q`AsnAzo&
public void sort(int[] data) { -t_&H\_T
int temp; yc0
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for(int i=0;i for(int j=data.length-1;j>i;j--){ d^'_H>x
if(data[j] SortUtil.swap(data,j,j-1); ygTfQtN
} WDNj7
} fTmJDUv+
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选择排序: %YxKWZ/?
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package org.rut.util.algorithm.support; k1[`2k:Hk
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import org.rut.util.algorithm.SortUtil; Q*1Avy6]
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/** pTAm}
* @author treeroot ;zqxDl_
* @since 2006-2-2 Vb 36R_u
* @version 1.0 8\il~IFyi
*/ :MDFTw~ |
public class SelectionSort implements SortUtil.Sort { d/NjY[` 5+
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/* FUI/ A>
* (non-Javadoc) Q8TR@0d
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) qPu?rU{2
*/ =>*}qen
public void sort(int[] data) { aV fsF|,
int temp; 9Eh*r@>
for (int i = 0; i < data.length; i++) { o<|u4r={s
int lowIndex = i; T&dc)t`o
for (int j = data.length - 1; j > i; j--) { *`s*l+0b
if (data[j] < data[lowIndex]) { Mf5kknYuL9
lowIndex = j; @sR/l;
} <MxA;A
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SortUtil.swap(data,i,lowIndex); c7rC !v
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Shell排序: jxK
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package org.rut.util.algorithm.support; be6`Sv"H
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import org.rut.util.algorithm.SortUtil; vSQB~Vw8t
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/** D<Z\6)|%I
* @author treeroot Lxa<zy~b
* @since 2006-2-2 0l(G7Ju
* @version 1.0 sI)jqHZG
*/ #;2kN
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public class ShellSort implements SortUtil.Sort{ <Rt0
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/* (non-Javadoc) .j!:Hp(z}
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 2V @ pt
*/ @C'qbO{
public void sort(int[] data) { nCldH|>5w
for(int i=data.length/2;i>2;i/=2){ CJ;D&qo
for(int j=0;j insertSort(data,j,i); ~N2 [j
} i;2V
} dDe$<g5L4
insertSort(data,0,1); qE^u{S4Z@
} 8LtkP&Wx
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/** 17rg!'+
* @param data <t *3w
* @param j yWYsN
* @param i 5N>L|J2
*/ 5t-(MY
private void insertSort(int[] data, int start, int inc) { &I(3/u
int temp; $a')i<m^g
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); yX\~{%
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} q_6<}2m,U
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快速排序: c5Hm94,p
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package org.rut.util.algorithm.support; $+
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import org.rut.util.algorithm.SortUtil; %Y].i/".;P
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/** e=6C0fr
* @author treeroot #w[Ie+
* @since 2006-2-2 \T!tUd
* @version 1.0 $8_b[~%2
*/ p-8x>dmP(
public class QuickSort implements SortUtil.Sort{ {NIE:MXX
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/* (non-Javadoc) ~
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ~EhM"go
*/ r^"pLzAx
public void sort(int[] data) { L6pw'1'
quickSort(data,0,data.length-1); |P=-m-W
} 6[%4Q[
private void quickSort(int[] data,int i,int j){ bq}o#d5p-_
int pivotIndex=(i+j)/2; ,3ivB8
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SortUtil.swap(data,pivotIndex,j); ]+78
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int k=partition(data,i-1,j,data[j]);
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SortUtil.swap(data,k,j); !vSj1w
if((k-i)>1) quickSort(data,i,k-1); XCZNvLG
if((j-k)>1) quickSort(data,k+1,j); /`B:F5r
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} v+2t;PJd2
/** 7gbu7"Qc
* @param data ON3~!Q)
* @param i >^KO5N-:4
* @param j r7:4|6E
* @return [lAZ)6E~=
*/ 4}HY= 0Um
private int partition(int[] data, int l, int r,int pivot) { >uDE<MUC
do{ Bt-2S,c,o
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); TzY[-YlvF
SortUtil.swap(data,l,r); "PY&N