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。 L%8"d6
插入排序: JR>B<{xB
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package org.rut.util.algorithm.support; !*ucVv;
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import org.rut.util.algorithm.SortUtil; S8cFD):q
/** He*L"VpWv
* @author treeroot K*}j1A
* @since 2006-2-2 "nefRz%j+
* @version 1.0 *Xnq1_K}
*/ ?-Z:N`YP
public class InsertSort implements SortUtil.Sort{ KWH
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/* (non-Javadoc) h
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) zF$wz1
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*/ Cwh;+3?C|
public void sort(int[] data) { [*<&]^
int temp; gjWH
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for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); a[!d)Y:zx
} ;7A,'y4f
} c,fedH;
} [aC9vEso!
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冒泡排序: 0cbF.Um8
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package org.rut.util.algorithm.support; !{XO#e
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import org.rut.util.algorithm.SortUtil; xd.C&Dx5
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/** e+WVN5"ID>
* @author treeroot )5v .9N6v
* @since 2006-2-2 cA\W|A)
* @version 1.0 <am7t[G."
*/ KAzRFX),
public class BubbleSort implements SortUtil.Sort{ f$'D2o, O
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/* (non-Javadoc) [)u(\nfGX
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ;v'Y'!-J
*/ OY#_0p)i
public void sort(int[] data) { z~5'p(|@f
int temp; pp`U]Q5"gX
for(int i=0;i for(int j=data.length-1;j>i;j--){ G<eJ0S
if(data[j] SortUtil.swap(data,j,j-1); a+i+#*8wm
} I$LO0avvH2
} jY.%~Y1y
} e-CW4x
} bW|y -GM
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} QMY4%uyY!
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选择排序: 4{g|$@s(
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package org.rut.util.algorithm.support; l :"*]m7o_
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import org.rut.util.algorithm.SortUtil; &O,$l3 P
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/** D=vq<X'
* @author treeroot 2cl~Va=
* @since 2006-2-2 wp*1HnWj8Y
* @version 1.0 ( -@>
*/ Zv\b`Cf}
public class SelectionSort implements SortUtil.Sort { "!?bC#d#(
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/* OEW,[d
* (non-Javadoc) -`UlntEdZ:
* s`YuH <8
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) F! e`i-xt
*/ t@n (a
public void sort(int[] data) { U'G`Q0n
int temp; QEKFuY<E+
for (int i = 0; i < data.length; i++) { h)vTu%J:
int lowIndex = i; xn8B|axB
for (int j = data.length - 1; j > i; j--) { LH;G:
if (data[j] < data[lowIndex]) { 8|GpfW3p2
lowIndex = j; i#=X#_
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} @k,(i=**
} 3(&F.&C$$
SortUtil.swap(data,i,lowIndex); EYG E#C;
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} M(uB
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} Gf\_WNrSE+
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Shell排序: `qz5rPyZ
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package org.rut.util.algorithm.support; 1_C6KS
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import org.rut.util.algorithm.SortUtil; NN'<-0~
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/** $"{3i8$3mT
* @author treeroot >}*jsqaVU
* @since 2006-2-2 l)s +"C#
* @version 1.0 nj`qV
*/ 9m4rNvb
public class ShellSort implements SortUtil.Sort{ {;DZ@2|
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/* (non-Javadoc) E |
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) e~;)-Z
*/ V2%wb\_z
public void sort(int[] data) { MlE~gCD
for(int i=data.length/2;i>2;i/=2){ h';v'"DoW`
for(int j=0;j insertSort(data,j,i); EIQy?ig86
} ?/MXcI(
} -%l,Zd9
insertSort(data,0,1); Yj\yO(o/
} qL.Y_,[[
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/** eb@Lh!
* @param data z{L;)U B^
* @param j !\O,dq
* @param i ueBoSZRWX
*/ {{%8|+B
private void insertSort(int[] data, int start, int inc) { MToQ8qKs
int temp; s'Gy+h.
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); "Cj#bUw
} i6 ?JX@I
} RgA4@J#
} L.[uMuUa
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} 0\nhg5]?
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快速排序: _Pi:TxY
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package org.rut.util.algorithm.support; %esZ}U
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import org.rut.util.algorithm.SortUtil; 5)NBM7h
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/** vXQmEIm
* @author treeroot 'TsZuZW]
* @since 2006-2-2 H)aC'M^
* @version 1.0 kGV`Q
*/ an[~%vxw}
public class QuickSort implements SortUtil.Sort{ !DL53DQ#
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/* (non-Javadoc) hg'!
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) gr{Sh`Cm-
*/ Bl\kU8O-
public void sort(int[] data) { A!Ct,%
quickSort(data,0,data.length-1); k]9> V@C
} 6_K#,_oZ
private void quickSort(int[] data,int i,int j){ c.A/{a
int pivotIndex=(i+j)/2; bk9~63tN+>
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SortUtil.swap(data,pivotIndex,j);
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int k=partition(data,i-1,j,data[j]); Nw&}qSN
SortUtil.swap(data,k,j); (G%gVk]
if((k-i)>1) quickSort(data,i,k-1); ~<[5uZIo
if((j-k)>1) quickSort(data,k+1,j); KqUSTR1e[
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} Y6?mY!
/** ]J=)pDrk
* @param data /1#Q=T
* @param i L9?/ -@M
* @param j =1OAy`8
* @return OrJlHMz
*/ _m?(O /BTx
private int partition(int[] data, int l, int r,int pivot) { LNxE-Dp
do{ YkAWKCOni
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); )r,R!8
SortUtil.swap(data,l,r); &~A*(+S
}
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while(l SortUtil.swap(data,l,r); Q<