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。 a24 AmoWx
插入排序: |K Rt$t
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package org.rut.util.algorithm.support; \\<=J[R.M
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import org.rut.util.algorithm.SortUtil; H,L{N'[Xph
/** UTyV6~
* @author treeroot Ha-]U:Vcx
* @since 2006-2-2 K-C,n~-
* @version 1.0 N5=BjXSAg
*/ |{YN3"qN
public class InsertSort implements SortUtil.Sort{ tj@(0}pi4
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/* (non-Javadoc) b^d{$eoH?|
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) c]ARgrH-
*/ 950N\Y@u
public void sort(int[] data) { /VT/KT{
int temp; YkWHI(p
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); lfcGi3
} xrg?{*\
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冒泡排序: =9a2+ v0
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package org.rut.util.algorithm.support; R}Lk$#S#
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import org.rut.util.algorithm.SortUtil; WMa0L&C~v
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/** N2}SR|.
* @author treeroot ?ZRF]\dP]
* @since 2006-2-2 p5fr}#en
* @version 1.0 :'Qiwf&
*/ `sYFQ+D#O
public class BubbleSort implements SortUtil.Sort{ M@A3+v%K
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/* (non-Javadoc) ls
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) uPz+*4+
*/ U8Y%rFh1
public void sort(int[] data) { Q[j| 2U
int temp; !RmVb}m
for(int i=0;i for(int j=data.length-1;j>i;j--){ j HHWq>=d
if(data[j] SortUtil.swap(data,j,j-1); ]u_j6y!
} rY_~(?XS
} 9Lb96K?=>
} nTqU~'d'
} CjQO5
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} \#9LwC"8;
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选择排序: >q:%?mi
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package org.rut.util.algorithm.support; FbE/x$;~O
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import org.rut.util.algorithm.SortUtil; PdcIHN
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/** &$~fz":1!
* @author treeroot C 5.3[
* @since 2006-2-2 lhN@,q
* @version 1.0 V*4Z.3/E5
*/ &F&`y
public class SelectionSort implements SortUtil.Sort { Ht
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/* Ap
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 9* )&hhBs,
*/ dEoIVy _9R
public void sort(int[] data) { \Z]+j@9
int temp; X8|H5Y:
for (int i = 0; i < data.length; i++) { pr0X7 #_E5
int lowIndex = i; .{1$;K @
for (int j = data.length - 1; j > i; j--) { H`JFXMa<
if (data[j] < data[lowIndex]) { b' o]Y
lowIndex = j; xo"GNFh!
} cfLLFPhv)
} DK4yAR,g
SortUtil.swap(data,i,lowIndex); 1X?ro;
} .Mq#88o.*
} &K9;GZS?
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Shell排序: @Po5AK3cy
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package org.rut.util.algorithm.support; g&Vhu8kNIA
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import org.rut.util.algorithm.SortUtil; 7OV^>"S
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/** AjVC{\Ik
* @author treeroot "Oxr}^% i
* @since 2006-2-2 hLO)-ueb
* @version 1.0 yE$PLM
*/ R}&?9tVRR
public class ShellSort implements SortUtil.Sort{ uwNJM
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/* (non-Javadoc) 66v,/#K
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 7d: ]o>
*/ /G||_Hc
public void sort(int[] data) { > G\0Z[<v,
for(int i=data.length/2;i>2;i/=2){ gQ+]N*.
for(int j=0;j insertSort(data,j,i); \`n(JV
} l;; 2\mL?
} Y6jyU1>
insertSort(data,0,1); 6j%%CWU{~
} U4 !bW
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/** "<CM'R
* @param data }.&nEi`
* @param j clE9I<1v
* @param i VeA@HC`?"
*/ ^)AECn
private void insertSort(int[] data, int start, int inc) { V*p[6{U0
int temp; n ay\)
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); h,{m{Xh
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快速排序: eD>b|U=/
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package org.rut.util.algorithm.support; k6tCfq;
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import org.rut.util.algorithm.SortUtil; bxXpw&
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/** -X.#Y6(
* @author treeroot ~;"eNg{T
* @since 2006-2-2 (}A$4?
* @version 1.0 ,1]UOQ>AP
*/ '}OdF*L
public class QuickSort implements SortUtil.Sort{ X5)D [aE6
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/* (non-Javadoc) K;
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) #VQZ"7nI@
*/ VfnL-bDGV
public void sort(int[] data) { W|PAI[N
quickSort(data,0,data.length-1); j=0kxvp
} l)u%`Hcn
private void quickSort(int[] data,int i,int j){ |IAx!Z-P
int pivotIndex=(i+j)/2; ndSu-8?L
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SortUtil.swap(data,pivotIndex,j); nW=6nCyvo
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int k=partition(data,i-1,j,data[j]); x\yM|WGL
SortUtil.swap(data,k,j); a*M|_&MH*
if((k-i)>1) quickSort(data,i,k-1); (j8*F Bq
if((j-k)>1) quickSort(data,k+1,j); uKx:7"KD
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} \mb4leg5
/** S>lP?2J
* @param data +)c<s3OCE
* @param i (B#FLoK
* @param j frcAXh9
* @return a~2Jf @I3
*/ 4 H 6t" X
private int partition(int[] data, int l, int r,int pivot) { h,[L6-n
do{ z %}"=
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); 0akJv^^D
SortUtil.swap(data,l,r); l$u52e!7
} '/GB8L
while(l SortUtil.swap(data,l,r); tQ}GTqk
return l; g~<[;6&