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。 :4gLjzL
插入排序: E#wS_[
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package org.rut.util.algorithm.support; >Z.\J2wM<j
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import org.rut.util.algorithm.SortUtil; a>O9pX
/** Z;l`YK^-
* @author treeroot b</9Ai=
* @since 2006-2-2 Y?J"wdWJNB
* @version 1.0 yp.[HMRD
*/ 2i{cQ96
public class InsertSort implements SortUtil.Sort{ Kf tgOG
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/* (non-Javadoc) \b=Pj!^gwb
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) s*/ bi
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public void sort(int[] data) { $j}OB6^I
int temp; q#w8wH"
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); gKz(=
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冒泡排序: CIU1R;
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package org.rut.util.algorithm.support; 8K(Z0
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import org.rut.util.algorithm.SortUtil; >MK>gLg}!
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/** 7>XDNI
* @author treeroot c;0Vs,DUmG
* @since 2006-2-2 j>Iaq"
* @version 1.0 =OIw*L8C"I
*/ qy)_wM
public class BubbleSort implements SortUtil.Sort{ BrRL7xX
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/* (non-Javadoc) sJwyj D$b
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) #U8rO;$
*/ yz8mP3"c:o
public void sort(int[] data) { fXI:Y8T
int temp; DejA4XdW
for(int i=0;i for(int j=data.length-1;j>i;j--){ oi}i\:
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if(data[j] SortUtil.swap(data,j,j-1); ~qe%Yq
} 7dsefNPb
} 8
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选择排序: JSh.]j<bJL
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package org.rut.util.algorithm.support; (=D&A<YX
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import org.rut.util.algorithm.SortUtil; W>-Et7&2
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/** oh#\]c\f
* @author treeroot 8-<:i
* @since 2006-2-2 "-@[R
* @version 1.0 4_Dp+^JF
*/ `u>4\sv
public class SelectionSort implements SortUtil.Sort { {*{Ox[Nh{
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/* r.7$&BCng
* (non-Javadoc) (/35pg6\
* W9NX=gE4
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) q6YX M
*/ =zQN[
public void sort(int[] data) { ;M"9$M'
int temp; N F)~W#
for (int i = 0; i < data.length; i++) { :y7c k/>
int lowIndex = i; w$JvB5O
for (int j = data.length - 1; j > i; j--) { Eke5Nb
if (data[j] < data[lowIndex]) { |:8bNm5[
lowIndex = j; 2-Y<4'>
} ;b-XWK=
} A}eOFu`
SortUtil.swap(data,i,lowIndex); mI 74x3 [
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Shell排序: |sJSN.8
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package org.rut.util.algorithm.support; ~"A+G4jl
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import org.rut.util.algorithm.SortUtil; '],J$ge
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/** |i++0BU
* @author treeroot Ub6jxib
* @since 2006-2-2 0_ 88V
* @version 1.0 (o`{uj{!
*/ A~-b!Grf
public class ShellSort implements SortUtil.Sort{ 2}8v(%s p
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/* (non-Javadoc) oq}'}`lw"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) !qG7V:6
*/ $|8!BOx8t
public void sort(int[] data) { O%bEB g
for(int i=data.length/2;i>2;i/=2){ =>-Rnc@
for(int j=0;j insertSort(data,j,i); h$2</J"
} V:y'Qf2M
} ]q4rlT.i
insertSort(data,0,1); @;"|@!l|
} Yw-G'
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/** (!:,+*YY
* @param data =i[\-
* @param j q.;u?,|E/
* @param i 79;<_(Y
*/ %^jMj2
private void insertSort(int[] data, int start, int inc) {
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int temp; wRVUu)
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); u A<n
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快速排序: H*}y^)x
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package org.rut.util.algorithm.support; ;0Tx-8l
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import org.rut.util.algorithm.SortUtil; `x*Pof!Io
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/** tS6qWtE
* @author treeroot vw9@v` k
* @since 2006-2-2 Qnsi`1mASr
* @version 1.0 iUN Ib
*/ VXwU?_4J.
public class QuickSort implements SortUtil.Sort{ #"G]ke1l$
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/* (non-Javadoc) {N+$Q'
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) GB=X5<;
*/ #AJM6* G9
public void sort(int[] data) { $|@
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quickSort(data,0,data.length-1); gDpVeBd[
} 1ukTA@Rj&
private void quickSort(int[] data,int i,int j){ EFM5,gB.m
int pivotIndex=(i+j)/2; YpVD2.jy
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SortUtil.swap(data,pivotIndex,j); ~UP[A'9jJ
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int k=partition(data,i-1,j,data[j]); J| w>a
SortUtil.swap(data,k,j); VZKvaxIk6
if((k-i)>1) quickSort(data,i,k-1); gi1^3R[
if((j-k)>1) quickSort(data,k+1,j); .[ICx
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} .(cw>7e3D
/** [_EZhq
* @param data m+]K;}.}R
* @param i W_"sM0
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* @param j ]>5/PD,wWy
* @return 5@~
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*/ H&