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。 g&Vhu8kNIA
插入排序: DB' 0
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package org.rut.util.algorithm.support; Vm[Rp,"
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import org.rut.util.algorithm.SortUtil; N"S`9B1eD(
/** pi"H?EHk
* @author treeroot INg0[Lpc
* @since 2006-2-2 sU_K^=6*
* @version 1.0 f@OH~4FG
*/ o7) y~ ke
public class InsertSort implements SortUtil.Sort{ }%< ?]
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/* (non-Javadoc) uC'-: t#
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ;KL7SM%g4
*/ D#g-mqar:
public void sort(int[] data) { E'QAsU8pP
int temp; -+".ut:R
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); 0]DOiA
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冒泡排序: &tyS 6S+
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package org.rut.util.algorithm.support; Oyl~j#h
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import org.rut.util.algorithm.SortUtil; 6$`< Y?
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/**
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* @author treeroot iM]O
* @since 2006-2-2 q7B5#kb
* @version 1.0 /JD}b[J$
*/ Wg-mJu(
public class BubbleSort implements SortUtil.Sort{ r&u1-%%9[
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/* (non-Javadoc) PucNu8
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) !nmZ"n|}p
*/ `Y&`2WZ ~
public void sort(int[] data) { ?%O>]s
int temp; -)V0D,r$[
for(int i=0;i for(int j=data.length-1;j>i;j--){ BZeEZ2"
if(data[j] SortUtil.swap(data,j,j-1); pzF_g-B
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} 2I.FSR_G?
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选择排序: ;z:Rj}l
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package org.rut.util.algorithm.support; uo:RNokjJ
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import org.rut.util.algorithm.SortUtil; /J`}o}
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/** -)A:@+GF
* @author treeroot RD`|Z~:q:K
* @since 2006-2-2 )vtbA=RH?
* @version 1.0 i~!g9o(
*/ W~ yb>+u
public class SelectionSort implements SortUtil.Sort { Gs:g
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/* bmT%?it
* (non-Javadoc) m$8siF{<q
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) >tg)F|@
*/ Ws2q/[\oz
public void sort(int[] data) { m#+0m!
int temp; 7[Us.V@
for (int i = 0; i < data.length; i++) { 6i/unwe!`)
int lowIndex = i; t>[QW`EeP
for (int j = data.length - 1; j > i; j--) { [v1$Lp
if (data[j] < data[lowIndex]) { z~H1f$}
lowIndex = j; g@H<Q('fJ
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SortUtil.swap(data,i,lowIndex); OTy!Q,0$.
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Shell排序: o$@/@r
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package org.rut.util.algorithm.support; XT^=v6^H
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import org.rut.util.algorithm.SortUtil; `xM*cJTZ
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/** ^#5'` #t
* @author treeroot 9SC1A -nF
* @since 2006-2-2 d V%o:@Z
* @version 1.0 (?Ku-k
*/ /JNG}*
public class ShellSort implements SortUtil.Sort{ -x?Z2EA!
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/* (non-Javadoc) JuJW]E Q
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) <Sot{_"li
*/ )CXlPbhY?
public void sort(int[] data) { =eA|gt
for(int i=data.length/2;i>2;i/=2){ A
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for(int j=0;j insertSort(data,j,i); EW$drY@
} lBP?7`U
} SFg4}*"C /
insertSort(data,0,1); imOIO[<;
} L,zx\cj?z
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/** a" s2N%{
* @param data 091m$~r*
* @param j 60{G
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* @param i oyVT
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private void insertSort(int[] data, int start, int inc) { <MEm+8e/s6
int temp; P$'PB*5d|
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); TTG=7x:3
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} _J C*4
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快速排序: Rd8mn'A
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package org.rut.util.algorithm.support; hw"2'{"II
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import org.rut.util.algorithm.SortUtil; GUL~k@:_k
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/** ^Zl[#:EFP
* @author treeroot o?]Q&,tO
* @since 2006-2-2 |X{j^JP5
* @version 1.0 C.4(8~Y=~
*/ <xBL/e
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public class QuickSort implements SortUtil.Sort{ +;+G+Tn
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/* (non-Javadoc) $.C\H,H
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) G;gsDn1t
*/ @zGF9O<3,@
public void sort(int[] data) { M8lw;
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quickSort(data,0,data.length-1); f['I4 /o
} l&\y]ZV={
private void quickSort(int[] data,int i,int j){ WG,Il/
int pivotIndex=(i+j)/2; .XpuD,^;@
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SortUtil.swap(data,pivotIndex,j); W.
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int k=partition(data,i-1,j,data[j]); t<Sa;[+
SortUtil.swap(data,k,j); 0SD'&
if((k-i)>1) quickSort(data,i,k-1); Xf ^_y(?
if((j-k)>1) quickSort(data,k+1,j); ttr`
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