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。 S'sI[?\x
插入排序: jgw+c3^R_
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package org.rut.util.algorithm.support; m9Dg%\B
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import org.rut.util.algorithm.SortUtil; BagV\\#v4
/** )KY U[
* @author treeroot ' PmBNT
* @since 2006-2-2 eZ(o _
* @version 1.0 {d,^tG}
*/ I4zm{ 1g
public class InsertSort implements SortUtil.Sort{ A@ w9_qo
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/* (non-Javadoc) PMiG:bM
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) TI3@/SB>
*/ 6Kd,(DI
public void sort(int[] data) { N3Z6o.k
int temp; [xPO'@Y
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); ATI2
} $`/F5R!
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} ?w@KF%D
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冒泡排序: |JCn=v@
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package org.rut.util.algorithm.support; O,7*dniH
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import org.rut.util.algorithm.SortUtil; +RD{<~i
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/** )<%IY&\
* @author treeroot %>:d5"&Lbs
* @since 2006-2-2 `,FvYA"
* @version 1.0 XO4r rAYvW
*/ EA!I&
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public class BubbleSort implements SortUtil.Sort{ }Ym~[S*x
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/* (non-Javadoc) ixo?o]Xb`
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[])
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*/ ]WC@*3'kye
public void sort(int[] data) { \jByJCN
int temp; [moz{Y
for(int i=0;i for(int j=data.length-1;j>i;j--){ BO-=X
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if(data[j] SortUtil.swap(data,j,j-1); {;Y2O.lV
} ;S^7Q5-
} KEvT."t
} / 9soUt
} *'ex>4^
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选择排序: R9V v*F]m@
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package org.rut.util.algorithm.support; swT/
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import org.rut.util.algorithm.SortUtil; ]!04L}hy|P
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/** GOhGSV#
* @author treeroot H-1y2AQ
* @since 2006-2-2 [#6Eax,j
* @version 1.0 66l$}+|Zzc
*/ 7\1bq&a<
public class SelectionSort implements SortUtil.Sort { tV,Y38e
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* (non-Javadoc) 2kU=9W6ND
* ^3
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) jB!Q8#&Q
*/ rN%aP-sa<
public void sort(int[] data) { L|[0&u!
int temp; m;d#*}n\p
for (int i = 0; i < data.length; i++) { Y!|*`FII
int lowIndex = i; |0$wRl+kN
for (int j = data.length - 1; j > i; j--) { }^
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if (data[j] < data[lowIndex]) { Lz'05j3!
lowIndex = j; -I#1xJU
} Q+UqLass
} lnoK.Vk9,
SortUtil.swap(data,i,lowIndex); Ju"*>66
} J_^Ml)@iy
} PI0[
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Shell排序: ?`%)3gx|
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package org.rut.util.algorithm.support; [EETx-
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import org.rut.util.algorithm.SortUtil; I?mU _^no
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/** tK+K lz
* @author treeroot Ph*tZrd*#
* @since 2006-2-2 kK[m=rTx1$
* @version 1.0 8UyYN$7V
*/ 3+/{}rv
public class ShellSort implements SortUtil.Sort{ 0 oFRcU
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/* (non-Javadoc) F(i@Gm=J]
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Htf|VpzMb
*/ s5TPecd
public void sort(int[] data) { ?Rj)x%fN
for(int i=data.length/2;i>2;i/=2){ ie!ik
for(int j=0;j insertSort(data,j,i); _ ecKX</Q
} qh)o44/
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} 420cJ{;A
insertSort(data,0,1); dfBTx6/F
} xxh(VQdg
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/** g6kVHxh-
* @param data Nn],sEs
* @param j E}V8+f54S
* @param i d?)C} 2
*/ SqhG\qE{Qj
private void insertSort(int[] data, int start, int inc) { `4'['x
int temp; [D=3:B&f
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); )o<rU[oD]C
} :N<ZO`l?
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} ]$'w8<D>t,
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快速排序: 4$oX,Q`#
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package org.rut.util.algorithm.support; A3C#wJ
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import org.rut.util.algorithm.SortUtil; 2V0gj
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/** MH+t`/E0]
* @author treeroot '{:WxGgi
* @since 2006-2-2 , wT$L3
* @version 1.0 4%TY`
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*/ fCL5Et
public class QuickSort implements SortUtil.Sort{ x>^r%<WbX
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/* (non-Javadoc) YH(
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) z
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public void sort(int[] data) { fT-yY`
quickSort(data,0,data.length-1); e5_:15%R\
} G9.+N~GZ.
private void quickSort(int[] data,int i,int j){ }>\+eG
int pivotIndex=(i+j)/2; %G& Zm$u=
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SortUtil.swap(data,pivotIndex,j); =X?jId{
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int k=partition(data,i-1,j,data[j]); gOpGwpYZ,
SortUtil.swap(data,k,j); er Cl@sq
if((k-i)>1) quickSort(data,i,k-1); !tkP!%w
if((j-k)>1) quickSort(data,k+1,j); 2G'Au} q0n
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} aO9a G*9T
/** ,ufB*[~
* @param data $\xS~w
* @param i ewYZ} "o
* @param j T/#$44ub
* @return HF9d~7R
*/ ;Zb+WGyj
private int partition(int[] data, int l, int r,int pivot) { IiG~l+V~
do{ ^Tbw#x]2
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); )E<<