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。 &pW2R}
插入排序: P|t2%:_
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package org.rut.util.algorithm.support; Sg*+!
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import org.rut.util.algorithm.SortUtil; ch33+~Nn
/** $i%#fN
* @author treeroot {@hJPK8
* @since 2006-2-2 RoNE7|gF:
* @version 1.0 6B+?X5-6DH
*/ nWA>u J5
public class InsertSort implements SortUtil.Sort{ w@pJ49
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/* (non-Javadoc) ]A%~bQ7
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) X0]{8v%
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public void sort(int[] data) { #HZ W57"
int temp; e8S4=W
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); [:+f Y[4==
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冒泡排序: aW9\h_$
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package org.rut.util.algorithm.support; ~RLWr.pK
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import org.rut.util.algorithm.SortUtil; y?U@F/^}N
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/** dh9@3. t
* @author treeroot #}l$<7ZU
* @since 2006-2-2 ?TJ4L/"(k6
* @version 1.0 sDAP'&
*/ Xk\IO0GF
public class BubbleSort implements SortUtil.Sort{ uh`5:V
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/* (non-Javadoc) E\TWPV'/
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) q3C
*/ 4U~'Oa@p
public void sort(int[] data) { <KfR)7I$0a
int temp; 9WI5\`*"
for(int i=0;i for(int j=data.length-1;j>i;j--){ X ]W)D
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if(data[j] SortUtil.swap(data,j,j-1); hV:++g
} "!CVm{7[
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} ;A4j_8\[
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选择排序: '#SZ|Rr6tX
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package org.rut.util.algorithm.support; Jg)( F|>o
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import org.rut.util.algorithm.SortUtil; ] >1`Fa6_
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/** /:ZwGyT;
* @author treeroot (:F]@vT
* @since 2006-2-2 +r7hc;+G
* @version 1.0 HB`'S7Q
*/ :!hO9ho
public class SelectionSort implements SortUtil.Sort { g
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/* -<9Qez)y
* (non-Javadoc) }zxf~41
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) V'tR
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*/ v(GnG
public void sort(int[] data) { QO0@Ax\b
int temp; <-fvYer
for (int i = 0; i < data.length; i++) { BMI`YGjY1
int lowIndex = i; `e fiX^
for (int j = data.length - 1; j > i; j--) { H\H7a.@nkF
if (data[j] < data[lowIndex]) { bRrSd:e
lowIndex = j; `JY+3d,Ui
} E)`0(Z:E
} /KNR;n'
SortUtil.swap(data,i,lowIndex); *rbgDaQ
} j Neb*dPoK
} ?3a=u<
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Shell排序: ?@Q0;LG
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package org.rut.util.algorithm.support; *C0a,G4
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import org.rut.util.algorithm.SortUtil; cvo+{u$s
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/** Thu_`QP^
* @author treeroot ~5h4 Gy)
* @since 2006-2-2 =+ b>d\7xG
* @version 1.0 S>r}3,]S
*/ YtKT3u:x
public class ShellSort implements SortUtil.Sort{ pUS: HJk|
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/* (non-Javadoc) Ph%ylS/T{
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) {[`(o
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*/ (+;D~iN` k
public void sort(int[] data) { !.^x^OK%y
for(int i=data.length/2;i>2;i/=2){ \y%"tJ~N{
for(int j=0;j insertSort(data,j,i); he/rt#
} G[]%1
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} r]&sXKDc
insertSort(data,0,1); @*~yVV!5
} A,t g268
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/** l)o!&]2
* @param data 1LSJy*yY
* @param j xb%Q[V_m
* @param i 7w" !"W#
*/ vea{o35!
private void insertSort(int[] data, int start, int inc) { lR7;{zlSf'
int temp; _
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for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); H! 5Ka#B
} 8+dsTX`|S
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} P^=B6>e
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} $[ S 33Q
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快速排序: b;d7mh4
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package org.rut.util.algorithm.support; =OtW!vx#R.
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import org.rut.util.algorithm.SortUtil; qdwo 2u
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/** EPLHw
* @author treeroot {fDRVnI?
* @since 2006-2-2 \p(0H6
* @version 1.0 BeQ'\#q,
*/ Ix,b -C~
public class QuickSort implements SortUtil.Sort{ N0}[&rE 8
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/* (non-Javadoc) /DH`7E
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) OmZZTeGg1s
*/ iG"v
public void sort(int[] data) { <dE~z] P
quickSort(data,0,data.length-1); !`7evV:
} x1`(Z|RJ
private void quickSort(int[] data,int i,int j){ o6|-
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int pivotIndex=(i+j)/2; lH`c&LL-=!
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SortUtil.swap(data,pivotIndex,j); ^Ss<<
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int k=partition(data,i-1,j,data[j]); ewN|">WXQ
SortUtil.swap(data,k,j); 3I)oqS@q'
if((k-i)>1) quickSort(data,i,k-1); I4w``""c
if((j-k)>1) quickSort(data,k+1,j); %%n&z6w