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。 a#(?P.6
插入排序: (62"8iD6
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package org.rut.util.algorithm.support; q s!j>x
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import org.rut.util.algorithm.SortUtil; Xh"n]TK
/** gnf8l?M
* @author treeroot [ZwjOi:)
* @since 2006-2-2 lN
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* @version 1.0 fCn^=8KOZ
*/ y3Qsv
public class InsertSort implements SortUtil.Sort{ ha<[bu e
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/* (non-Javadoc) u(.e8~s8
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) @Sn(lnlB
*/ z=\&i\>;Z+
public void sort(int[] data) { ,Ks8*;#r
int temp; WM$
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for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); l~q\3UKlt
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冒泡排序: q'F+OQb1
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package org.rut.util.algorithm.support; q-2Bt,Y
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import org.rut.util.algorithm.SortUtil; ^ig' bw+WS
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/** 9d659iC
* @author treeroot ^98~U\ar
* @since 2006-2-2 Tn e4
* @version 1.0 qOtgve`jX
*/ :6
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public class BubbleSort implements SortUtil.Sort{ `wEb<H
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/* (non-Javadoc) '3fu
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) s?}e^/"v
*/ RWZSQ~
public void sort(int[] data) { ;7V%#-
int temp; L|7R9+ZG
for(int i=0;i for(int j=data.length-1;j>i;j--){ ]y'>=a|T
if(data[j] SortUtil.swap(data,j,j-1); ^A/k)x6
} g3/W=~r
} #&aqKVY
} 3z?> j]
} B%b4v
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} E7UU
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选择排序: YnAm{YyI
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package org.rut.util.algorithm.support; azp):*f("
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import org.rut.util.algorithm.SortUtil; 5c0 ZRV#
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/** @o _}g !9=
* @author treeroot mR:uj2*
* @since 2006-2-2 Ya"a`ozq
* @version 1.0 =s2*H8]
*/ osAd1<EIC
public class SelectionSort implements SortUtil.Sort { *)T^ChD,
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/* 4F'LBS]=0
* (non-Javadoc) Jhhb7uU+
* 266h\2t6
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) E,U+o $
*/ $|@@Qk/T
public void sort(int[] data) { g|yvF-+
int temp;
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for (int i = 0; i < data.length; i++) { E
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int lowIndex = i; zKJ#`OhT
for (int j = data.length - 1; j > i; j--) { d#4**BM
if (data[j] < data[lowIndex]) { 0@iY:aF
lowIndex = j; IY\5@PVZ
} "7F?@D$e
} BLiF
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SortUtil.swap(data,i,lowIndex); x*U)Y
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Shell排序: ??vLUv
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package org.rut.util.algorithm.support; 'XjZ_ng
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import org.rut.util.algorithm.SortUtil; |FZ/[9*
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/** {qJ1ko)$
* @author treeroot L+i=VGm0
* @since 2006-2-2 BG]#o|KW
* @version 1.0 ?X<eV1a
*/ Zt{[*~
public class ShellSort implements SortUtil.Sort{ L48_96
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/* (non-Javadoc) e\zm7_+i{
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) $>eCqC3
*/ {Gk1vcq
public void sort(int[] data) { ZG8DIV\D7
for(int i=data.length/2;i>2;i/=2){ 7#Kn8s
for(int j=0;j insertSort(data,j,i); /{n-Y/jp
} eJX9_6m-
} )g%d:xI
insertSort(data,0,1); `e&Suyf4B
} FGmb<z 2p
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/** |3"KK
* @param data +lcbi
* @param j 4p;`C
* @param i -- 95Jz
*/ qt"m
private void insertSort(int[] data, int start, int inc) { MH\dC9%p
int temp; \V~eVf;~
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); Moza".fiN
} "`e{/7I
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} 5e^ChK0Q
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} bwMm#f
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快速排序: 8wFJ4v3
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package org.rut.util.algorithm.support; Z=o2H Bm7
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import org.rut.util.algorithm.SortUtil; aeM+ d`f
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/** &@OT*pNna
* @author treeroot x
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* @since 2006-2-2 vXZOy%$o
* @version 1.0 ;dgp+
*/ 0GCEqQy8
public class QuickSort implements SortUtil.Sort{ PKiy5D*8p
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/* (non-Javadoc) nmKp[-5
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 9qzHS~l
*/ WW~sNC\3`(
public void sort(int[] data) { p}~JgEE
quickSort(data,0,data.length-1); ;[OH(!
} i<Zc"v;
private void quickSort(int[] data,int i,int j){ VjZ|$k
int pivotIndex=(i+j)/2; Qpc__dA\
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SortUtil.swap(data,pivotIndex,j); 7;wd(8
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int k=partition(data,i-1,j,data[j]); ( ^Nz9{
SortUtil.swap(data,k,j); 5<Nx^D
if((k-i)>1) quickSort(data,i,k-1); =m#?neop
if((j-k)>1) quickSort(data,k+1,j); `+:`_4
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} S;#'M![8
/** =dYqS[kJW
* @param data k,+0u/I
* @param i "J_9WUN
* @param j >_ T-u<E
* @return s9DYi~/,
*/ h
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private int partition(int[] data, int l, int r,int pivot) { y _k
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do{ #c.K/&Gc7j
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); vV-`jsq20H
SortUtil.swap(data,l,r); w%jII{@,
} Txb#C[`
while(l SortUtil.swap(data,l,r); kUrkG80q|
return l; 1K50Z.o&@
} Y&Z.2