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。 eE,;K1
插入排序: ?'f^X$aS
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package org.rut.util.algorithm.support; 2+&R"#I
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import org.rut.util.algorithm.SortUtil; #4q1{)=
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* @since 2006-2-2 f MzYFM'i
* @version 1.0 y&3TQ]f\
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public class InsertSort implements SortUtil.Sort{ r8+*|$K
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) (NM6micc
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public void sort(int[] data) { !?n50
int temp; 7 BK46x
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); 4)E|&)-fu8
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冒泡排序: <%/:w/
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package org.rut.util.algorithm.support; bCt_yR
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import org.rut.util.algorithm.SortUtil; w@2~`<Hk'"
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/** u
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* @since 2006-2-2 *<?XTs<
* @version 1.0 0tSA|->(
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public class BubbleSort implements SortUtil.Sort{ 5(KG=EHj_
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) "u,sRbL
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public void sort(int[] data) { {QW-g
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for(int i=0;i for(int j=data.length-1;j>i;j--){ .?70=8{
if(data[j] SortUtil.swap(data,j,j-1); g"w)@*?K
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选择排序: /XjN%|
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package org.rut.util.algorithm.support; Bmmb
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import org.rut.util.algorithm.SortUtil; G^ K*+
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/** m&,bC)}
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* @since 2006-2-2 9N<*S'Z
* @version 1.0 zLo;.X[Y
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public class SelectionSort implements SortUtil.Sort { m\/>C|f\
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public void sort(int[] data) { i1tVdbC]
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for (int i = 0; i < data.length; i++) { ?VUgwP_=
int lowIndex = i; ,9F*96
for (int j = data.length - 1; j > i; j--) { c{^i$
if (data[j] < data[lowIndex]) { E`Q;DlXv>
lowIndex = j; 7&=-a|k~
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Shell排序: mu 2
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package org.rut.util.algorithm.support; =DGn,i9
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import org.rut.util.algorithm.SortUtil; bcUC4g\9N
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/** r9+E'\
* @author treeroot H&~5sEGa
* @since 2006-2-2 ]z+*?cc
* @version 1.0 ROP C |
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public class ShellSort implements SortUtil.Sort{ |= tJ|
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) YCir Oge
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public void sort(int[] data) { )>-77\
for(int i=data.length/2;i>2;i/=2){ J'I1,5(
for(int j=0;j insertSort(data,j,i); }Q47_]5
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insertSort(data,0,1); dDsjPM;2
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* @param data Uc_'3|e
* @param j LDT'FwMjy
* @param i muL>g_H
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private void insertSort(int[] data, int start, int inc) { oq=?i%'>
int temp; sKe9at^E]>
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快速排序: dE 3i=
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package org.rut.util.algorithm.support; 04I6-}6
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import org.rut.util.algorithm.SortUtil; ):/<H
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/** ~C}(\8g
* @author treeroot }2-[Ki yv
* @since 2006-2-2 z*Myokhf
* @version 1.0 9\AEyaJFZ
*/
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public class QuickSort implements SortUtil.Sort{ f o/
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/* (non-Javadoc) 7xLo4
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 2E@C0Ha L
*/ c%q}"Y0oh
public void sort(int[] data) { U@o2gjGN
quickSort(data,0,data.length-1); OVDMC4K2z!
} :6 Hxxh
private void quickSort(int[] data,int i,int j){ o 8~f
int pivotIndex=(i+j)/2; I
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