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。 IcaIB)
插入排序: (|O;Ci
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package org.rut.util.algorithm.support; x7{,4js
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import org.rut.util.algorithm.SortUtil; 1NJ*EzJ~?
/** Ya\G/R
* @author treeroot _%<7!|"
* @since 2006-2-2 b*.)m
* @version 1.0 #v~zf@<KLB
*/ -c|O!Lc-
public class InsertSort implements SortUtil.Sort{ cDE?X o'!
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/* (non-Javadoc) Fd|:7NRA<
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) <*4=sX@
*/ 1mA)=hu
public void sort(int[] data) { ?;uzx7@F
int temp; .[K{;^>
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); 9H P)@66
} EKwS~G.b!
} X(Ef=:
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}
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冒泡排序: q@Q|oB0W$)
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package org.rut.util.algorithm.support; 7e}p:Vfp
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import org.rut.util.algorithm.SortUtil; ?e&CbVc4
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/** QC ?8
* @author treeroot t@)~{W
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* @since 2006-2-2 =X+DC&]%!
* @version 1.0 ?9=yo5M}
*/ ?6uh^Qal
public class BubbleSort implements SortUtil.Sort{ oqE h_[.
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/* (non-Javadoc) $o]suF;3
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) EXb{/4
*/ %y8w9aGt
public void sort(int[] data) { Jz3 q
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int temp; j:{<
for(int i=0;i for(int j=data.length-1;j>i;j--){ & qd:o}
if(data[j] SortUtil.swap(data,j,j-1); n=hz7tjaz
} W,w g@2
} |#!25qAT
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选择排序: _);1dcnR
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package org.rut.util.algorithm.support; Ep0Aogp29
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import org.rut.util.algorithm.SortUtil; C-4I
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/** s,`
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* @author treeroot +{Q\B}3cj1
* @since 2006-2-2 i<%(Z[9Lk
* @version 1.0 . dM 0
*/ /a9+R)Al
public class SelectionSort implements SortUtil.Sort { zRf]SZ(tO
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/* ZO0_:T#Z
* (non-Javadoc) _KD(V2W
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) +86\&y)
*/ )NyGV!Zuu
public void sort(int[] data) { t'[vN~I'
int temp; JziMjR
for (int i = 0; i < data.length; i++) { U/jJ@8
int lowIndex = i; +cjNA2@
for (int j = data.length - 1; j > i; j--) { u&pLF%'EQ
if (data[j] < data[lowIndex]) {
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lowIndex = j; gvwR16N
} @^;\(If2
} uOougSBV,
SortUtil.swap(data,i,lowIndex); 45ct*w
} ^Jc~G~x4*
} w8@MUz}/#
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Shell排序: 1
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package org.rut.util.algorithm.support; fnB-?8K<
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import org.rut.util.algorithm.SortUtil; %e1<N8E4
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/** *NXwllrci
* @author treeroot #*Mk@XrV
* @since 2006-2-2 y{jv-&!xB
* @version 1.0 [a+?z6qI\}
*/ j-A
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public class ShellSort implements SortUtil.Sort{ b*p,s9k7
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/* (non-Javadoc) tgrQ$Yjk
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) lXB_HDY
*/ Tri.>@-u
public void sort(int[] data) { L;BYPZR
for(int i=data.length/2;i>2;i/=2){ YW/<. 0rI
for(int j=0;j insertSort(data,j,i); IM
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} VN$#y4
} n.7 $*9)#
insertSort(data,0,1); QjQJ "
} {]Lc]4J
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/** .|iUDp6vz
* @param data T-<^mX[}
* @param j
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* @param i Z;%qpsq
*/ yM#W,@
private void insertSort(int[] data, int start, int inc) { Ex@#!fz{%
int temp; w#JF7;
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); RNi&OG(
} Oe;9[=L[
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} 7:1Hgj(
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} zGz5|u
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快速排序: ]B5\S
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package org.rut.util.algorithm.support; @aj"12
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import org.rut.util.algorithm.SortUtil; /&kTVuN"(
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/** FPcgQ
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* @author treeroot 65<p:
* @since 2006-2-2 C?E;sRr0
* @version 1.0 @${!C\([1
*/ FE_n+^|k<
public class QuickSort implements SortUtil.Sort{ ;9prsvf
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/* (non-Javadoc) 'z!I#Y!Y
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ,xR^8G8
*/ 5Impv3qaZ
public void sort(int[] data) { if`/LJsa
quickSort(data,0,data.length-1); }4bwLO
} jMw;`yh
private void quickSort(int[] data,int i,int j){ (:hPT-1
int pivotIndex=(i+j)/2; L8ZCGW\Rr
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SortUtil.swap(data,pivotIndex,j); ?=PQQx2_*u
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int k=partition(data,i-1,j,data[j]); {8UBxFIM(
SortUtil.swap(data,k,j); ^U`[P@T
if((k-i)>1) quickSort(data,i,k-1); 0<^K0>lm
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if((j-k)>1) quickSort(data,k+1,j); Kh5:+n_X
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} aV>w($tdd
/** xDVzHgbf
* @param data
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* @param i @AyC0}
* @param j mFo6f\DHr`
* @return =-vk}O0C
*/ 0J_Np
private int partition(int[] data, int l, int r,int pivot) { 40 :YJ_n
do{ Q)Ppx 7)
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); NIYAcLa@n8
SortUtil.swap(data,l,r); ^K;,,s;0
} 9MGA#a
while(l SortUtil.swap(data,l,r); 73]%^kx=
return l; {yfG_J
} kvo741RO6
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} 0TVO'$Gvi
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改进后的快速排序: bu$5gGWVf
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package org.rut.util.algorithm.support; #b{otc)
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import org.rut.util.algorithm.SortUtil; GLk7#Y
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/** 7R)"HfUh
* @author treeroot rZDKVx
* @since 2006-2-2 nJLr]`_
* @version 1.0 al"1T-
*/ 2o/AH \=2
public class ImprovedQuickSort implements SortUtil.Sort { t#<q O6&