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。 Ln>!4i+-B)
插入排序: w#.3na
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package org.rut.util.algorithm.support; 5 ^{~xOM5
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import org.rut.util.algorithm.SortUtil; Tz,-~ mc
/** `O\>vn
* @author treeroot ;<+efYmyc
* @since 2006-2-2 zx#Gm=H4
* @version 1.0 {5 dVK
*/ 't<iB&wgF
public class InsertSort implements SortUtil.Sort{ j)J |'b|
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/* (non-Javadoc) ]Uv,}W
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) L)'G_)Sl
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public void sort(int[] data) { rL5=8l
int temp; ^Om}9rXw1
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); L( 6b2{"
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冒泡排序: j97+'AKX
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package org.rut.util.algorithm.support; %1#\LRA(
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import org.rut.util.algorithm.SortUtil; ,3:f4e\<
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/** s$fM,l:!
* @author treeroot 1Yb &E7j
* @since 2006-2-2 NpVL;6?7T
* @version 1.0 ZKi&f,:
*/ ?m)<kY
public class BubbleSort implements SortUtil.Sort{ N#u'SGTG
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/* (non-Javadoc) h"[B zX
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) {~apY,3
*/ S1=P-Ao
public void sort(int[] data) { _T)y5/[
int temp; I0
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for(int i=0;i for(int j=data.length-1;j>i;j--){ HI5NWdfRl
if(data[j] SortUtil.swap(data,j,j-1); !S?Fz]
} 3 Zp<#
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} (;fJXgj.
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选择排序: lT[,w9 $
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package org.rut.util.algorithm.support; ^wy
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import org.rut.util.algorithm.SortUtil; S?v/diK ]J
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/** l,|Llb
* @author treeroot 3,p!Fun:r
* @since 2006-2-2 S9dxrm?
* @version 1.0 rmg\Pa8W>
*/ 19fa7E<
public class SelectionSort implements SortUtil.Sort { EZ!! V~
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/* {C w.?JU
* (non-Javadoc) C^q|(G)
* Jt$YSp=!!
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) YKe&Ph.
*/ KR.;X3S}
public void sort(int[] data) { ?8
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int temp; aR2N,<Cp5
for (int i = 0; i < data.length; i++) { #IH9S5B [
int lowIndex = i; ~W@dF~r
for (int j = data.length - 1; j > i; j--) { OP!R>|
if (data[j] < data[lowIndex]) { (aYu[ML
lowIndex = j; `n>/MY
} M~zI;:0O
} O/eZ1YAC
SortUtil.swap(data,i,lowIndex); ~ZafTCa;
} wH"9N+82M
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Shell排序: ;"D}"nL
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package org.rut.util.algorithm.support; Lv+{@)
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import org.rut.util.algorithm.SortUtil; DT-.Gdb8
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/** DVd8Ix <
* @author treeroot ";.j[p:gi
* @since 2006-2-2 6vNW)1{nn
* @version 1.0 (H:c80/V
*/ 8i;1JA
public class ShellSort implements SortUtil.Sort{ &l cfX\y
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/* (non-Javadoc) :uYZ1O
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) .5 E)dU
*/ i?^L",[
public void sort(int[] data) { 2wpJ)t*PF
for(int i=data.length/2;i>2;i/=2){ 1tbA-+
for(int j=0;j insertSort(data,j,i); ]O;*Y{:Y
} Wl3S]4A
} FKL4`GEm
insertSort(data,0,1); /US% s
} O n0!>-b,
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/** ,|c;x1|O
* @param data
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* @param j ]DnAW'm
* @param i [xGwqa03
*/ gI7*zR4D
private void insertSort(int[] data, int start, int inc) { n]6'!Eo
int temp; OK4r)
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); ,LZA\XC
} u'? +JUd1
} E$lbm>jsb$
} '7oR|I
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快速排序: cQ1[x>OcU
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package org.rut.util.algorithm.support; <5L99<E
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import org.rut.util.algorithm.SortUtil; r]6+&K
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/** nql1I<I
* @author treeroot -f ?
* @since 2006-2-2 e<+)IW:
* @version 1.0 S\ak(<X
*/ tRPIvq/
public class QuickSort implements SortUtil.Sort{ =WUNBav
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/* (non-Javadoc) G#Bm">+
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) wYe;xk`>
*/ 'g<"@SS+
public void sort(int[] data) { pIR_2Eq
quickSort(data,0,data.length-1); 2r2:
} n-K/dI
private void quickSort(int[] data,int i,int j){ !>'A2V~F
int pivotIndex=(i+j)/2; ;8=Bee4
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SortUtil.swap(data,pivotIndex,j); 3` IR
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int k=partition(data,i-1,j,data[j]); e
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SortUtil.swap(data,k,j); @ddCVxd
if((k-i)>1) quickSort(data,i,k-1); LawE3CD
if((j-k)>1) quickSort(data,k+1,j); qJ5b;=
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} LV ]10v6
/** &W3srJo
* @param data ADF<5#I
* @param i Wlg 1t~1=
* @param j l`#rhuy`
* @return E4=D$hfq`
*/ !pj&