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。 CK|AXz+EN
插入排序: #cW:04
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package org.rut.util.algorithm.support; r4X\/
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import org.rut.util.algorithm.SortUtil; <s|.2~
/** ?|}qT05
* @author treeroot 7h41 E#
* @since 2006-2-2 9B83HV4J
* @version 1.0 (JjxrZ+L
*/ 9`VY)"rJ
public class InsertSort implements SortUtil.Sort{ :9x]5;ma
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/* (non-Javadoc) }y J,&N'p
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) p0l.f`B
*/ 9jx>&MnWs
public void sort(int[] data) { M$>Nd6,@N
int temp; aZa1 eE
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); $[Nf?`f(t_
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冒泡排序: &t_TLV 8T
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package org.rut.util.algorithm.support; dNqj | Vu
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import org.rut.util.algorithm.SortUtil; <pKOFN%m
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/** >XRf=
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* @author treeroot e.XD5~Ax
* @since 2006-2-2 H.]<fvP
* @version 1.0 \LQZoD?W
*/ +u5xK
public class BubbleSort implements SortUtil.Sort{ xdaq` ^Bbt
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/* (non-Javadoc) k.)YFKi
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 'dzbeTJD5
*/ \'('HFr,
public void sort(int[] data) { ~d,$nZ"z
int temp; tO1k2<Z"Y&
for(int i=0;i for(int j=data.length-1;j>i;j--){ 4 CiRh
if(data[j] SortUtil.swap(data,j,j-1); /!6 VP |
} ^ u0y<kItX
} 4 2,dHYdt
} u% 1JdEWZd
} `jhbKgR[
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} Ic&YiATj
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选择排序: Ro<5c_k
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package org.rut.util.algorithm.support; };Df ><
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import org.rut.util.algorithm.SortUtil; 3|)cT1ej
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/** fT?m~W^
* @author treeroot > hGB
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* @since 2006-2-2 w_~tY*IwB
* @version 1.0 =1)9>= }
*/ asy:[r"
public class SelectionSort implements SortUtil.Sort { zA$ f$J7\^
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/* GN5*
* (non-Javadoc) %=s2>vv9
* E6T=lwOZ
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 2pSp(@N3
*/ VtU2&
public void sort(int[] data) { M-+!z5q~d
int temp; P-yVc2YH
for (int i = 0; i < data.length; i++) { C+t|fSJ
int lowIndex = i; zc,X5R1
for (int j = data.length - 1; j > i; j--) { <RH%FhT
if (data[j] < data[lowIndex]) { ~qTChCXP
lowIndex = j; ka(3ONbG
} mT|r:Yr:
} qkC{IBN92
SortUtil.swap(data,i,lowIndex); +~
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} 5s4x%L (~}
} .;,,{;
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} ]S@DVXH
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Shell排序: dg+"G|nr
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package org.rut.util.algorithm.support; %Br1b6 V
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import org.rut.util.algorithm.SortUtil; fNyXDCl
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/** C9FAX$$^(Y
* @author treeroot <5h}\5#<j
* @since 2006-2-2 &&"+\^3
* @version 1.0 Y10
*/ +I:/8,&-x
public class ShellSort implements SortUtil.Sort{ #a]\3X
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/* (non-Javadoc) 91fZr
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ?fc<3q"
*/ )WvOa] :
public void sort(int[] data) { QMDkkNK
for(int i=data.length/2;i>2;i/=2){ *N6sxFs
for(int j=0;j insertSort(data,j,i); P.^*K:5@
} %_>8.7
} b`;&o^7gMO
insertSort(data,0,1); g]?>6 %#rA
} u:wf:^
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/** /7.//klN
* @param data XN3'k[
* @param j wjOJn]
* @param i (&_~eYZU
*/ yVpru8+eD
private void insertSort(int[] data, int start, int inc) { |a'$v4dCF
int temp; $HRl:KDdP~
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); (~"#=fs.L
} UZ:z|a3
} T/hz23nH
} #.,LWL]
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} Y%zWaH
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快速排序: yhnPS4DC
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package org.rut.util.algorithm.support; c;#gvE
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import org.rut.util.algorithm.SortUtil; - Sn]`
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/** UzV78^:,iD
* @author treeroot h`p=~u +
* @since 2006-2-2 <e@4;Z(h04
* @version 1.0 lpbcpB
*/ 4#B56f8
public class QuickSort implements SortUtil.Sort{ YYe=E,q
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/* (non-Javadoc) |h.@Xy
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) w,<n5dMv
*/ , $cpm=1
public void sort(int[] data) { %T}*DC$&S
quickSort(data,0,data.length-1); oC3W_vH.%
} og4mLoLA
private void quickSort(int[] data,int i,int j){ L /N%ft]!T
int pivotIndex=(i+j)/2; #3FsK
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SortUtil.swap(data,pivotIndex,j); A":cS }Ui
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int k=partition(data,i-1,j,data[j]); ))7CqN
SortUtil.swap(data,k,j); bq}`jP~#
if((k-i)>1) quickSort(data,i,k-1); VwLo
if((j-k)>1) quickSort(data,k+1,j); )3 '8T>^<K
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} E$v!Z; A
/** I 6L3M\+-
* @param data pMf
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* @param i ]#'&x%m
* @param j ahN8IV=+Gm
* @return ;[:IC^9fv
*/ .k,,PuP
private int partition(int[] data, int l, int r,int pivot) { *(Z\"o!
do{ GgtYO4,
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); Vf$$e)
SortUtil.swap(data,l,r); ~bw=;xF{3
} wF*9%K'E
while(l SortUtil.swap(data,l,r); "9NWsy}<c
return l; AO(zl*4
} v&sl_w/tn
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