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。 "($"T v2
插入排序: lf2Q
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package org.rut.util.algorithm.support; fmgXh)=
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import org.rut.util.algorithm.SortUtil; ag02=}Q'r
/** 2e_ m>I
* @author treeroot #EG$HX]
* @since 2006-2-2 wa1Qt
* @version 1.0 ka=EOiX.
*/ <Dk6o`7^N
public class InsertSort implements SortUtil.Sort{ to,\sc
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/* (non-Javadoc) 9Ib#A
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) )JA9bR
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public void sort(int[] data) { ,azBk`$iQr
int temp; v{r,Wy3
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); Ah:d2*SR4
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冒泡排序: %n B}Hq ;
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package org.rut.util.algorithm.support; _ci8!PP
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import org.rut.util.algorithm.SortUtil; [6cF#_)*
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/** 7MZ(tOR
* @author treeroot as^!c!
* @since 2006-2-2 G0h/]%I
* @version 1.0 A<p6]#t#X)
*/ qxbGUyH==
public class BubbleSort implements SortUtil.Sort{ 5}Z_A?gy
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/* (non-Javadoc) Eg+z(m$M
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) $97EeE:{M
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public void sort(int[] data) { |SX31T9rG
int temp; CaB@,L
for(int i=0;i for(int j=data.length-1;j>i;j--){ nnZM{<!hF
if(data[j] SortUtil.swap(data,j,j-1); +/U6p!
} ;&9wG`
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选择排序: I?OnEw
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package org.rut.util.algorithm.support; /NB;eV?
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import org.rut.util.algorithm.SortUtil; VMl)_M:'
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/** 0eFvcH:qG
* @author treeroot M
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* @since 2006-2-2 ?#gYu%7DN
* @version 1.0 >A.m`w
*/ "w&G1kw5I
public class SelectionSort implements SortUtil.Sort {
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/* i%#
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* (non-Javadoc) dOFK;
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) krecUpo
*/ DAVgP7h'
public void sort(int[] data) { ^3lEfI<pBm
int temp; !Ct'H1J-
for (int i = 0; i < data.length; i++) { Bhf4 /$
int lowIndex = i; ^GC 8^f
for (int j = data.length - 1; j > i; j--) { s)5W:`MH?
if (data[j] < data[lowIndex]) { v]@n'!
lowIndex = j; k:DAko}
} GF17oMi
} ;%mYsQ
SortUtil.swap(data,i,lowIndex); 8m*uT< 5D
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Shell排序: s5&v~I;>e
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package org.rut.util.algorithm.support; \[Q* d
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import org.rut.util.algorithm.SortUtil; Zp_vv@s
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/** q-D|96>8
* @author treeroot Dl=qss~g+
* @since 2006-2-2 Zd<8c^@
* @version 1.0 i1ss}JJp*
*/ c=u'#|/eb
public class ShellSort implements SortUtil.Sort{ CAtdx!
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/* (non-Javadoc) =x-@-\m
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) pa2cM%48
*/ R6E.C!EI
public void sort(int[] data) { dZ{yNh.]
for(int i=data.length/2;i>2;i/=2){ ,#hx%$f}d
for(int j=0;j insertSort(data,j,i); <,huajQs
} &!KW[]i%9}
} F8OE
insertSort(data,0,1); gQlL0jAV
} .!yw@kg
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/** !fK9YW(Im
* @param data xyPz_9
* @param j eG\`SKx_
* @param i ;6/dFOZn
*/ (@ixV$Y
private void insertSort(int[] data, int start, int inc) { IrTMZG
int temp; /p7-D;
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); xZ(f_Oy
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快速排序: EjFK zx
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package org.rut.util.algorithm.support; >Qold7
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import org.rut.util.algorithm.SortUtil; &M2SqeR62;
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/** mIm.+U`a2
* @author treeroot hkoCbR0}8
* @since 2006-2-2 ZhYOz
* @version 1.0 yVl?gGgh
*/ _|}
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public class QuickSort implements SortUtil.Sort{ Gk2R:\/Y
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/* (non-Javadoc) VmTPE5d
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) '
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*/ $*z>t*{7
public void sort(int[] data) { $G.ws
quickSort(data,0,data.length-1); -$+`v<[r
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private void quickSort(int[] data,int i,int j){ ZI NqIfc
int pivotIndex=(i+j)/2; s6.#uT7h
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SortUtil.swap(data,pivotIndex,j); t182&gpd`
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int k=partition(data,i-1,j,data[j]); <j^bk"l p
SortUtil.swap(data,k,j); ?R8wm E[w
if((k-i)>1) quickSort(data,i,k-1); 8oVQ:' 6
if((j-k)>1) quickSort(data,k+1,j); q;L~5q."E
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} 5V"g,]'Nd
/** :$?^ID
* @param data v5`Q7ZZ
* @param i m[%*O#_
* @param j rA6lyzJ
* @return A0`#n|(Ad!
*/ }J-+^
private int partition(int[] data, int l, int r,int pivot) { w|0w<