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。 I9m
插入排序: zv@o-R$l
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package org.rut.util.algorithm.support; `#F>?g$2
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import org.rut.util.algorithm.SortUtil; b\mN^P~>A
/** |lY8u~%
* @author treeroot -tZb\4kh
* @since 2006-2-2 AWcPOU
* @version 1.0 #*@Yil=1
*/ C%"@|01cO
public class InsertSort implements SortUtil.Sort{ ,3u19>2
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/* (non-Javadoc) me" <+6
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ?'r[P03
*/ }e)ltp|
public void sort(int[] data) { q 9^r2OO
int temp; \W!<xE
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); 5T`39[Fya
} 9'M({/7y
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冒泡排序: 5E}i<}sq5
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package org.rut.util.algorithm.support; ;H.r6
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import org.rut.util.algorithm.SortUtil; r@aFB@
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/** ruVm8BO
* @author treeroot K\PS$
* @since 2006-2-2 EBm\rM8
* @version 1.0 xgVt0=q
*/ U*t`hn-xs
public class BubbleSort implements SortUtil.Sort{ %'
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/* (non-Javadoc) ;x"B ):?\
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) klKt^h-
*/ m6}"g[nN
public void sort(int[] data) { O;r8l+
int temp; #0tM88Wi
for(int i=0;i for(int j=data.length-1;j>i;j--){ F7df
if(data[j] SortUtil.swap(data,j,j-1); 0@KBQv"v
} .KV?;{~q@
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} 'tc$#f^:
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} aj:+"X-;
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选择排序: =y
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package org.rut.util.algorithm.support; <K~#@.^`
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import org.rut.util.algorithm.SortUtil; *|cvx:GO
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/** e_e|t>nQ
* @author treeroot mGX;JOjZ
* @since 2006-2-2 KMv|;yXYj4
* @version 1.0 iJAW| dw}
*/ ^,50]uX_
public class SelectionSort implements SortUtil.Sort { @/~41\=e
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/* ,}<v:!
* (non-Javadoc) /#HY-b
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) HV>W f"1
*/ &p*N8S8
public void sort(int[] data) { MTQdyTDHl
int temp; p 7sYgz
for (int i = 0; i < data.length; i++) { [}Nfs3IlBw
int lowIndex = i; (jXgJ" m
for (int j = data.length - 1; j > i; j--) { '#XP:nqFkK
if (data[j] < data[lowIndex]) { &*0V!+#6
lowIndex = j; tC&Xm}:
} _ge3R3
} SYyH_0N
SortUtil.swap(data,i,lowIndex); rv^j&X+EH
} f-#fi7
} v{I:Wxe
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} [KJm&\evp
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Shell排序: NLj0\Pz|B
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package org.rut.util.algorithm.support; =,sMOJc>
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import org.rut.util.algorithm.SortUtil; ?x:\RNB/
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/** tFRWxy[5
* @author treeroot a/_ `1
* @since 2006-2-2 btee;3`
* @version 1.0 .DT1Jvl
*/ PR Y)hb;1
public class ShellSort implements SortUtil.Sort{ |_-FQ~Hf F
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/* (non-Javadoc) ,Ti#g8j
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) F3?v&
*/ V&gUxS]*
public void sort(int[] data) { R|_?yV[
for(int i=data.length/2;i>2;i/=2){ Qv8Z64#
for(int j=0;j insertSort(data,j,i); {8E
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} t&*$@0A
} ]3%Z
insertSort(data,0,1); =U?"#
} 1w35H9\g
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/** WL>"hkx
* @param data Yx,
* @param j Yu'lD` G
* @param i <53~Y
*/ [z?q-$#
private void insertSort(int[] data, int start, int inc) { D:f0Wv
int temp; F3+)bIz
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); nU/v(lN
} zd+8fP/UB
} W8\K_M}
} 2/I^ :*e
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快速排序: <pz;G}
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package org.rut.util.algorithm.support; /QG8\wXE2
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import org.rut.util.algorithm.SortUtil; m(?M]CH(A
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/** op[5]tjL
* @author treeroot R}*e% EG/
* @since 2006-2-2 %3Y&D]
* @version 1.0 .aF+>#V=Q
*/ e1K,4Bq
public class QuickSort implements SortUtil.Sort{ #;H+Kb5O
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/* (non-Javadoc) =d`,W9D
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) \6*3&p
*/ 'Exj|Y&
public void sort(int[] data) { u=A&n6Q[Vo
quickSort(data,0,data.length-1); MAhcwmZNy
} \DpXs[1
private void quickSort(int[] data,int i,int j){ 8hGp?Ihu
int pivotIndex=(i+j)/2; <kt,aMw[*
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SortUtil.swap(data,pivotIndex,j); R j1Z
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int k=partition(data,i-1,j,data[j]); F+|zCEc
SortUtil.swap(data,k,j); ]7Tjt A.\q
if((k-i)>1) quickSort(data,i,k-1); Wn<