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。 5(Xq58nhxI
插入排序: Z$)jPDSr
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package org.rut.util.algorithm.support; ^c sOXP=Yp
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import org.rut.util.algorithm.SortUtil; ,/Y$%.Rp
/** _9iF`Q
* @author treeroot h#|A c>fz
* @since 2006-2-2 a -5#8
* @version 1.0 gkx<<)y
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*/ -N2m|%B
public class InsertSort implements SortUtil.Sort{ `M_w^&6+n
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/* (non-Javadoc) 6". v6
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) <<1_rRL]
*/ EixAmG
public void sort(int[] data) { f{D~ZC.*
int temp; <bBgevL+_K
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); GIUyW
} !t&C,@Ox
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冒泡排序: ob(~4H-
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package org.rut.util.algorithm.support; NX<Q}3cC
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import org.rut.util.algorithm.SortUtil; ery{>|k
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/** 5|oi*b
* @author treeroot yrrP#F
* @since 2006-2-2 ]-u>HO g\
* @version 1.0 ]i'gU(+;`
*/ I%ZSh]On
public class BubbleSort implements SortUtil.Sort{ =$vy_UN
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/* (non-Javadoc) 95 X6V
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) KWT[b?
*/ DGx<Nys@B
public void sort(int[] data) { "& q])3h =
int temp; 3#c0p790
for(int i=0;i for(int j=data.length-1;j>i;j--){ xgB-m[Xi
if(data[j] SortUtil.swap(data,j,j-1); 'C1yqkIa`
} xO'xZ%cUI
} j|(bdTZY:
} `[.4SIah
} o}lA\ A
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} yvKKE
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选择排序: KHt#mQy)9
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package org.rut.util.algorithm.support; 1?ST*b
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import org.rut.util.algorithm.SortUtil; )'t&LWS~
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/** #N|A@B5x
* @author treeroot )m$i``*<
* @since 2006-2-2 C]%}L%,
* @version 1.0 o_%gFV[q
*/ qu0dWgK
public class SelectionSort implements SortUtil.Sort { q8fnUK?i
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/* NpxND0
* (non-Javadoc) ~-2q3U Py
* -D,kL
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) >WW5;7$
*/ 9TOqA4
public void sort(int[] data) { yDBMm^
int temp; &GLe4zEh
for (int i = 0; i < data.length; i++) { }q[IhjD%
int lowIndex = i; U10:@Wzh
for (int j = data.length - 1; j > i; j--) { ao)8ie
if (data[j] < data[lowIndex]) { E@^mlUf
lowIndex = j; 4>I;^LHn
} G[[<-[C]5
} -#"7F:N1
SortUtil.swap(data,i,lowIndex); Fpf-Fa-K\b
} .ID9Xd$fky
} %(n^reuP
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}
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Shell排序: u}IQ)Ma
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package org.rut.util.algorithm.support; g|V0[Hnq6
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import org.rut.util.algorithm.SortUtil; a$P$Ngi?S
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/** ^B7C8YP
* @author treeroot QDJ:LJz\
* @since 2006-2-2 w`r)B`!g
* @version 1.0 #`{L_n$c
*/ j+>&~
public class ShellSort implements SortUtil.Sort{ ?;)F_aHp
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/* (non-Javadoc) w?zY9Fs=s
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) tR% &.,2
*/ B< BS>(Nr>
public void sort(int[] data) { 14;lB.$p
for(int i=data.length/2;i>2;i/=2){ |9cSG),z
for(int j=0;j insertSort(data,j,i); XP!7@:
} y@Q?
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} naB`@
insertSort(data,0,1); `tZ`a
} /QCyA%y
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/** Qp]-4%^Vz
* @param data 1brKs-z
* @param j ZRo-=/1
* @param i ^5d9n<_xnQ
*/ 1*J#:|({(
private void insertSort(int[] data, int start, int inc) { `di/nv)
int temp; BY^5z<^.
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); \H5{[ZUn
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}
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快速排序: 5uufpvah
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package org.rut.util.algorithm.support; o|0QstSCl
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import org.rut.util.algorithm.SortUtil; `OmYz{*r
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/** 0al8%z9e@
* @author treeroot GcYT<pwN6
* @since 2006-2-2 ``4lomz>
* @version 1.0 xg2
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*/ Jf=$h20x
public class QuickSort implements SortUtil.Sort{ CuD ^@
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/* (non-Javadoc) :},/D*v
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) .JkF{&=B
*/ |]9Z#lv+I
public void sort(int[] data) { uuMHD{}?}
quickSort(data,0,data.length-1); S0<m><|kl
} Vz,2_QJ
private void quickSort(int[] data,int i,int j){ Z w&_Wt
int pivotIndex=(i+j)/2; _{5t/^w&!
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SortUtil.swap(data,pivotIndex,j); \v}3j^Yu
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int k=partition(data,i-1,j,data[j]); {b6g!sE
SortUtil.swap(data,k,j); ep3iI77/
if((k-i)>1) quickSort(data,i,k-1); /4Lmu+G4
if((j-k)>1) quickSort(data,k+1,j); ?nAKB5=
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} P7iU_CgyW
/** xz$S5tgDQK
* @param data @0>3))
* @param i I^z$0
* @param j {?dW-
* @return `i)&nW)R
*/ 5{&<X.jv
private int partition(int[] data, int l, int r,int pivot) { TGJ\f
do{ zsx12b^w
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); WrGz`
SortUtil.swap(data,l,r); sR1
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} br9`77J8
while(l SortUtil.swap(data,l,r); aab?hR
return l; HKdR?HM1
} yNb
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} D<