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。 "sSY[6Kp!
插入排序: e>UU/Ks
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package org.rut.util.algorithm.support; Sa-" G`
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import org.rut.util.algorithm.SortUtil; #z61I"kU
/** Obx!>mI^6
* @author treeroot Nh01NY;
* @since 2006-2-2 rMoz+{1A
* @version 1.0 58t_j54
*/ *m8{yh
public class InsertSort implements SortUtil.Sort{ $WiUoS
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/* (non-Javadoc) -C2[ZP-
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) +V9 (4la
*/ zWrynJ}s
public void sort(int[] data) { L0R$T=~%)
int temp; %KPQ|^WE
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); ]*X z~Ox2
} #h#_xh'
} *^iSP(dg
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冒泡排序: #bS}?fj
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package org.rut.util.algorithm.support; a`D`v5G t
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import org.rut.util.algorithm.SortUtil; dn&484
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/** 1 XpqnyL&
* @author treeroot 3U!
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* @since 2006-2-2 JkEITuTth
* @version 1.0 sD9OV6^{?K
*/ @,{Qa!A>l
public class BubbleSort implements SortUtil.Sort{ O<J<)_W)
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/* (non-Javadoc) Q yhu=_&
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) T5-Yqz
*/ d/b\:[B@
public void sort(int[] data) { !ZM*)6^
int temp; y~z&8XrH
for(int i=0;i for(int j=data.length-1;j>i;j--){ mMT\"bb'
if(data[j] SortUtil.swap(data,j,j-1); ^e]h\G
} DB0?H+8t
} gX`C76P!
} {*"\68e
} NOFH
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} vCn~-Q
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选择排序: jw)c|%r>
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package org.rut.util.algorithm.support; <Wd_m?z
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import org.rut.util.algorithm.SortUtil; S
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/** +1a2Un
* @author treeroot 5'[yw:P-8
* @since 2006-2-2 )1g\v8XT
* @version 1.0 $,o@&QT?AT
*/ v
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public class SelectionSort implements SortUtil.Sort { /Ri-iC >
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/* J&L#^f*d
* (non-Javadoc) 55Xfu/hQ
* Xif>ZL?aXb
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) #dFE}!"#`
*/ yQq|!'MK k
public void sort(int[] data) { qykI[4
int temp; [;#^h/5E
for (int i = 0; i < data.length; i++) { xs?]DJj
int lowIndex = i; D7Ds*X`!l
for (int j = data.length - 1; j > i; j--) { g(R!M0hdF
if (data[j] < data[lowIndex]) { 'X~CrgQl
lowIndex = j; 6&btAwvOHx
} >}r
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} lr[&*v?h
SortUtil.swap(data,i,lowIndex); gu1n0N`b
} !N/?b^y
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Shell排序: GXR7Ug}k
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package org.rut.util.algorithm.support; U8eU[|-8O/
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import org.rut.util.algorithm.SortUtil; fK{Z{)D
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/** nIl<2H]F`
* @author treeroot .p'\@@o5
* @since 2006-2-2 #B__-"cRv
* @version 1.0 DCgiTT\
*/ 7??j}ob>
public class ShellSort implements SortUtil.Sort{ (`d _DQ
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/* (non-Javadoc) q X]ej2
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) iJk/fvi
*/ !6_tdZ
public void sort(int[] data) { zTze%
for(int i=data.length/2;i>2;i/=2){ {/XU[rn
for(int j=0;j insertSort(data,j,i); 8u Z4[
} C7!=LiK}
} ;zo?o t/
insertSort(data,0,1); HqA3.<=F,
} ?e23[
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/** ,]=Qgn
* @param data aT=V/Xh}d
* @param j .-:6L2
* @param i {ZgycMS
*/ 4OdK@+-8U
private void insertSort(int[] data, int start, int inc) { QezDm^<
int temp; !e0/1 j=
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc);
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} @TnAO8Q>XD
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快速排序: `pXC= []B2
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package org.rut.util.algorithm.support; ~wd~57i@
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import org.rut.util.algorithm.SortUtil; po+1
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/** D 3}e{J8
* @author treeroot ?Tk4Vt
* @since 2006-2-2 )h(yh50
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* @version 1.0 g$S<_$Iey
*/ U=UnE"h
public class QuickSort implements SortUtil.Sort{ Gp))1b';
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/* (non-Javadoc) &?7+8n&+
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) }UHoa
*/ B9h>
public void sort(int[] data) { *!+?%e{;b
quickSort(data,0,data.length-1); 0 }aw9g
} +luW=j0V
private void quickSort(int[] data,int i,int j){ "O{:jfq
int pivotIndex=(i+j)/2; ^
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SortUtil.swap(data,pivotIndex,j); As*59jkB
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int k=partition(data,i-1,j,data[j]); y8\4TjS1
SortUtil.swap(data,k,j); V~qlg1h
if((k-i)>1) quickSort(data,i,k-1); zXg/.z]
if((j-k)>1) quickSort(data,k+1,j); qbdv
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} qxglA*/
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/** H>5@/0cL2
* @param data K\>CXa
* @param i
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* @param j lr@H4EJ{
* @return [+v}V ,jb
*/ D`uOBEX
private int partition(int[] data, int l, int r,int pivot) { Mkadl<
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