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。 y51e%n$
插入排序: p>v$FiV2N
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package org.rut.util.algorithm.support; hj*pTuym
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import org.rut.util.algorithm.SortUtil; 84& $^lNV
/** spH7 /5}
* @author treeroot On9A U:\
* @since 2006-2-2 `ts$(u.w
* @version 1.0 *v^Jb/E315
*/ gwuI-d^
public class InsertSort implements SortUtil.Sort{ X!TpYUZ'
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/* (non-Javadoc) /K@XzwM
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) @zW]2 c
*/ O`IQ(,yef
public void sort(int[] data) { uP)'FI
int temp; NRs13M<ftf
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); ;#W2|'HD
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冒泡排序: k_#ak%m/
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package org.rut.util.algorithm.support; zZPO&akB"
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import org.rut.util.algorithm.SortUtil; pK>N-/?a
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/** *aM=Z+
* @author treeroot TQF| a\M'
* @since 2006-2-2 hn
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* @version 1.0 zFfr.g;L
*/ /l~p=PK
public class BubbleSort implements SortUtil.Sort{ {UI+$/v#
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/* (non-Javadoc) `r6 ,+&
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) WaRw05r
*/ &jJL"gq"
public void sort(int[] data) { L
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int temp; AO4U}?
for(int i=0;i for(int j=data.length-1;j>i;j--){ 6@5+m
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if(data[j] SortUtil.swap(data,j,j-1); q6luUx,@m
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选择排序: =j]<t
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package org.rut.util.algorithm.support; 4xje$/_d
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import org.rut.util.algorithm.SortUtil; 77f9(~ZnT
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/** Xl#ggub?
* @author treeroot aB&&YlR=n<
* @since 2006-2-2 *])
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* @version 1.0 4Z&lYLq;
*/ KkbD W3-
public class SelectionSort implements SortUtil.Sort { wlqksG[B
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/* "<1{9
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Ve; n}mJ?
*/ @RKryY)
public void sort(int[] data) { *^ZV8c}
int temp; aX'*pK/-
for (int i = 0; i < data.length; i++) { ?N9uu4
int lowIndex = i; JK5gQ3C[
for (int j = data.length - 1; j > i; j--) { %7.30CA|#
if (data[j] < data[lowIndex]) { hHnYtq
lowIndex = j; BW4J> {
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SortUtil.swap(data,i,lowIndex); "+G8d'%YV
} H*CW1([
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Shell排序: H* *Xu;/5@
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package org.rut.util.algorithm.support; b8 likP"T
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import org.rut.util.algorithm.SortUtil; eeB{c.#
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/** cVF"!.
* @author treeroot &Z%?!.4j@
* @since 2006-2-2 h2d(?vOT
* @version 1.0 VMWf>ZU
*/ @K-">f
public class ShellSort implements SortUtil.Sort{ 4,DeHJjAlE
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/* (non-Javadoc) ( a#BV}=
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Sdryol<
*/ <)D$51 &0
public void sort(int[] data) { Ysv"
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for(int i=data.length/2;i>2;i/=2){ Y76gJ[yjn
for(int j=0;j insertSort(data,j,i); . $vK&k
} ]t"Ss_,
} oUlVI*~ND
insertSort(data,0,1); 4o[{>gW
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/** EADqC>
* @param data 0o&5]lEe
* @param j Zj'9rXhrM1
* @param i }O
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*/ DN6Mo<H
private void insertSort(int[] data, int start, int inc) { 9hyn`u.
int temp; EfT=?
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); c-sfg>0 ^
} TB31-
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快速排序: UJ2U1H54h
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package org.rut.util.algorithm.support; n+ M <\
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import org.rut.util.algorithm.SortUtil; "#g}ve,
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/** P.DK0VgY
* @author treeroot M"L=L5OH-
* @since 2006-2-2 E"IZ6)Q
* @version 1.0
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*/ Q/Rqa5LI:
public class QuickSort implements SortUtil.Sort{ :Hbv)tS\3w
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/* (non-Javadoc) uQzXfOq
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 3XNCAb2
*/ * v#o
public void sort(int[] data) { nJ;.Td
quickSort(data,0,data.length-1); ^B^9KEjTz
} P$,Ke<
private void quickSort(int[] data,int i,int j){ n=q76W\
int pivotIndex=(i+j)/2; *n!J=yS
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SortUtil.swap(data,pivotIndex,j); ?V=CB,^
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int k=partition(data,i-1,j,data[j]); 4I[P>
SortUtil.swap(data,k,j); \{D"
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if((k-i)>1) quickSort(data,i,k-1); iURe( [@
if((j-k)>1) quickSort(data,k+1,j); St^5Byd<
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} d_P` qA
/** rmOj
* @param data u1.BN>G
* @param i H,NF;QPPC
* @param j Alq(QDs
* @return Fj!U|l\_9
*/ !`r$"}g
private int partition(int[] data, int l, int r,int pivot) { ]_$[8#kg
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