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。 pvQw+jX
插入排序: )}hp[*C
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package org.rut.util.algorithm.support; oqB(l[%z2
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import org.rut.util.algorithm.SortUtil; oh-Y
/** VmHok
* @author treeroot uDay||7^g
* @since 2006-2-2 dE^:-t
* @version 1.0 Uc>kCBCd
*/ 3bu VU&ap
public class InsertSort implements SortUtil.Sort{ [94A?pn[z
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/* (non-Javadoc) L
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) d5fnJ*a>l
*/ =LDzZ:' X
public void sort(int[] data) { Zk__CgS#
int temp; Dz:A.x@$*
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); G)]'>m<y
} B^P)(Nu+
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冒泡排序: I?uU}NK
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package org.rut.util.algorithm.support; Z,)4(#b =
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import org.rut.util.algorithm.SortUtil; \ ,ARYwd
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/** Yrs7F.Y"
* @author treeroot bGOOC?[UX
* @since 2006-2-2 <{GpAf8-
* @version 1.0 L15?\|':Y
*/ Y#S<:,/sb?
public class BubbleSort implements SortUtil.Sort{ #<s6L"Z-
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/* (non-Javadoc) [Ul"I-K
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) >h1 3i@`r
*/ ug{@rt/"Z
public void sort(int[] data) { .A<G$ db
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int temp; c.dk4v%Y5
for(int i=0;i for(int j=data.length-1;j>i;j--){ 3u#bx1
if(data[j] SortUtil.swap(data,j,j-1); 45. -P
} SK
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选择排序: J|,Uu^7`
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package org.rut.util.algorithm.support; IR;l{q&`
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import org.rut.util.algorithm.SortUtil; Gu+9R>
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/** ~hD!{([
* @author treeroot -!;2?6R9{
* @since 2006-2-2 EP,j+^RVf
* @version 1.0 WX
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*/ W*S}^6ZT`
public class SelectionSort implements SortUtil.Sort { \4Uhc3
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/* 5. ibH
* (non-Javadoc) 9gq+,g>E_
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) q9Zp8&<EqH
*/
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public void sort(int[] data) { '8%jA$o\g
int temp; (P!r^87
for (int i = 0; i < data.length; i++) { YP
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int lowIndex = i; r1<dZtb
for (int j = data.length - 1; j > i; j--) { ')N[)&&Q{
if (data[j] < data[lowIndex]) { 4Vtug>
lowIndex = j; Hjhgu=
} V>Dqw!
} 5aj%<r
SortUtil.swap(data,i,lowIndex); yFoPCA86y
} 7Tb[sc'
} ]K?;XA3 dZ
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} R2Es~T
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Shell排序: Emy=q5ryl
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package org.rut.util.algorithm.support; yPrF2@#XZ/
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import org.rut.util.algorithm.SortUtil; s&hJ[$i
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/** H;nEU@>"Z
* @author treeroot kEgpF{"%n
* @since 2006-2-2 :V3z`}Rl
* @version 1.0 \sMe2OL#z
*/ dGyrzuPJ
public class ShellSort implements SortUtil.Sort{ l~]D|92
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/* (non-Javadoc) xi51,y+(5
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) l+#J oc<8
*/ SJB^dI**/d
public void sort(int[] data) { jme`Tyd
for(int i=data.length/2;i>2;i/=2){ O1D|T"@
for(int j=0;j insertSort(data,j,i); NbC2N)L4
} 7u{V1_n1
} q<j9l'dHG
insertSort(data,0,1); ;j.-6#n
} ZNVrja*
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/** fy]c=:EmD
* @param data jDb"|l
* @param j HfZ ^ED"}
* @param i "fr{:'HX
*/ RIQ-mpg~(k
private void insertSort(int[] data, int start, int inc) { ;yajt\a
int temp; &?1O D5
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); >23$_'2
} /vq$/
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快速排序: tAE(`ow/Ur
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package org.rut.util.algorithm.support; z3]W #
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import org.rut.util.algorithm.SortUtil; WQ 2{`'z
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/** {1Y@%e
* @author treeroot }NoP(&ebz*
* @since 2006-2-2 q\}+]|nGs
* @version 1.0 -$?t+ "/E
*/ 4uzMO <
public class QuickSort implements SortUtil.Sort{ ~uH_y-
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/* (non-Javadoc) F@k}p-e~
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) $&&E[JY
*/ ^ZO! (
public void sort(int[] data) { oz>2P.7
quickSort(data,0,data.length-1); W^H3 =hZ
} (De{r|
private void quickSort(int[] data,int i,int j){ =qc+sMo
int pivotIndex=(i+j)/2; I-Z|FKh_C
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SortUtil.swap(data,pivotIndex,j); oWL_Hh%-f`
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int k=partition(data,i-1,j,data[j]); &}[P{53sr
SortUtil.swap(data,k,j); u*v<