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。 OHHNWg_5
插入排序: 5"kx}f2$
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package org.rut.util.algorithm.support; %9QMzz5
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import org.rut.util.algorithm.SortUtil; "B9[cDM&
/** &N"'7bK6n
* @author treeroot 5>ADw3z'
* @since 2006-2-2 0Oc}rRH(C
* @version 1.0 [arTx^
*/ <o&o=Y8
public class InsertSort implements SortUtil.Sort{ X`fhln9N
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/* (non-Javadoc) jcEs10y
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) &\1'1`N1
*/ \-Iny=$
public void sort(int[] data) { 0~+NB-L}
int temp; R%b*EBZ
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); &r'{(O8$N
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冒泡排序: 1
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package org.rut.util.algorithm.support; =PNdP
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import org.rut.util.algorithm.SortUtil; Pgn_9Y?<
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/** G&x'=dJ
* @author treeroot Y&vHOA
* @since 2006-2-2 jDlA<1
* @version 1.0 Ky[bX
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public class BubbleSort implements SortUtil.Sort{ 8^/+wa+G
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/* (non-Javadoc) LkJ$aW/
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) F+ffl^BQ
*/ !uWxRpT,7
public void sort(int[] data) { cVQatm
int temp; xi680'
for(int i=0;i for(int j=data.length-1;j>i;j--){ ^Sy^+=wK3
if(data[j] SortUtil.swap(data,j,j-1); (jM<T;4
} 2c}B
} YXF#c)#
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选择排序: i{gDW+N
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package org.rut.util.algorithm.support; f5@.^hi[
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import org.rut.util.algorithm.SortUtil; [J~aAB
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/** ZV!R#Xv
* @author treeroot MWM
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* @since 2006-2-2 |]^l^e6m
* @version 1.0 |vv]Z(_
*/ \).Nag +
public class SelectionSort implements SortUtil.Sort { za,6du6
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/* #hIEEkCp +
* (non-Javadoc) &oA~
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 7egq4gN]2Y
*/ A&N$tH
public void sort(int[] data) { !q!"UMiG
int temp; csYy7uzi
for (int i = 0; i < data.length; i++) { r+o_t2_b*
int lowIndex = i; 7g-Dfg.w
for (int j = data.length - 1; j > i; j--) { 4Mk8Cpz
if (data[j] < data[lowIndex]) { f,|QAj=a
lowIndex = j; MzcB3pi
} I$n+DwKcN
} ^>-+@+(
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SortUtil.swap(data,i,lowIndex); qtO1hZ
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Shell排序: Q\H_t)-
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package org.rut.util.algorithm.support; JlUb0{8PE
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import org.rut.util.algorithm.SortUtil; Q*gnAi&.#
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/** 0}B?sNr
* @author treeroot #+$ zE#je
* @since 2006-2-2 k=e`*LB\
* @version 1.0 {o( *
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*/ [~COYjp
public class ShellSort implements SortUtil.Sort{ +@e
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/* (non-Javadoc) f_rp<R>Uu
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Wj&nUp{
*/ @a0Q0M
public void sort(int[] data) { 975
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for(int i=data.length/2;i>2;i/=2){ p+$+MeBz
for(int j=0;j insertSort(data,j,i); =LOk13l\"
} vHS2q
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} guU=NQZ
insertSort(data,0,1); $(3uOsy
} [P{a_(
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/** 40u7fojg2
* @param data !~)90Z!
* @param j u\f3qc,]F
* @param i B_hPcmB
*/ d.p'pGL
private void insertSort(int[] data, int start, int inc) {
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int temp; ;=a_B1"9u
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); B[CA
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快速排序: KU]ok '
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package org.rut.util.algorithm.support; `Ug tvo
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import org.rut.util.algorithm.SortUtil; W!91tzs:
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/** <[ZI.+_Wt
* @author treeroot { D+Ym%n
* @since 2006-2-2 Z|I-BPyn
* @version 1.0 _%B/!)v
*/ ^^U%cu Kg
public class QuickSort implements SortUtil.Sort{ pM9yOY
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/* (non-Javadoc) -%,"iaO
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) IXWQ)
*/ q(H ip<6p
public void sort(int[] data) { O[FZq47
quickSort(data,0,data.length-1); >I^9:Q
} p?JQ[K7i
private void quickSort(int[] data,int i,int j){ Z/g]o#
int pivotIndex=(i+j)/2; 'OD)v
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SortUtil.swap(data,pivotIndex,j); :b@igZ<
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int k=partition(data,i-1,j,data[j]); O%&cE*eX
SortUtil.swap(data,k,j); L5f$TLw
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if((k-i)>1) quickSort(data,i,k-1); ^s-25 6iI
if((j-k)>1) quickSort(data,k+1,j); JhP\u3 QE
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} A?A9`w
/** <^c3}
* @param data hF>u)%J/S
* @param i Juu+vMn1
* @param j R%"K
* @return id?E)Jy
*/ OhFW*v
private int partition(int[] data, int l, int r,int pivot) { <