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。 [4+I1UR`
插入排序: HT6$|j
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package org.rut.util.algorithm.support; [@@EE>
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import org.rut.util.algorithm.SortUtil; [{zfI`6
/** BY@l:y4
* @author treeroot Yi <1z:\
* @since 2006-2-2 (^58$IW71
* @version 1.0 zX6Q7Bc
*/ 4r#4h4`y|
public class InsertSort implements SortUtil.Sort{ "i&9RA!1
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/* (non-Javadoc) BC#O.93`
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) (~fv;}}v
*/ ep{/m-h(!_
public void sort(int[] data) { xRZ/[1f!
int temp; hRqr
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); H`jnChD:M'
} B/Ltb^a
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} i;\n\p1
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冒泡排序: 8EU/}Ym
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package org.rut.util.algorithm.support; 5>hXqNjP2
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import org.rut.util.algorithm.SortUtil; z6|kEc"{
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/** +K,T^<F;
* @author treeroot 7tne/Yz
* @since 2006-2-2 w"L]?#
* @version 1.0 #X0Xc2}{f
*/ WwUHHm<v
public class BubbleSort implements SortUtil.Sort{ u1>WG?/`
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/* (non-Javadoc) ~.z82m
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) )"_&CYnd
*/ 7c8`D;A-K
public void sort(int[] data) { y[GqV_~?Y
int temp; t+M'05-U2
for(int i=0;i for(int j=data.length-1;j>i;j--){ <`NtTG
if(data[j] SortUtil.swap(data,j,j-1); @?gRWH;Pq
} b"Jr_24t3v
} 6=Sz5MC
} &AVX03P
} fZQ2<*)pqO
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} AEUR`.
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选择排序: 5Ha(i [d
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package org.rut.util.algorithm.support; uH#X:Vne
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import org.rut.util.algorithm.SortUtil; =Z..&H5i
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/** VO /b&%
* @author treeroot g+Y &rz
* @since 2006-2-2 a6?t?:~|
* @version 1.0 n*caP9B
*/ V(Cxd.u
public class SelectionSort implements SortUtil.Sort { |hX\ep
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/* 4}Lui9
* (non-Javadoc) yoz-BS
* xmtD0U1
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) L]l?_#*x
*/ s.a @uR^
public void sort(int[] data) { s+ ^1\
int temp; 4\j1+&W
for (int i = 0; i < data.length; i++) { 1B$8<NCQ=?
int lowIndex = i; z>b^Ui0
for (int j = data.length - 1; j > i; j--) { # wyjb:Ql
if (data[j] < data[lowIndex]) { + -rSO"nc
lowIndex = j; IsjN
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} rl-#Ez
} O2xqNQ`d
SortUtil.swap(data,i,lowIndex); n^nQrRIp
} Oq(FV[N7t
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Shell排序: =w<iYO
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package org.rut.util.algorithm.support; #A:^XAU1Z@
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import org.rut.util.algorithm.SortUtil; [8vqw(2Tm(
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/** dP"cm0
* @author treeroot mq4VwT
* @since 2006-2-2 h7S;
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* @version 1.0 W#kLM\2L
*/ 8E>2
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public class ShellSort implements SortUtil.Sort{ !/1~
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/* (non-Javadoc) 4C3i
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) u,~+ho@
*/ q?8#D
public void sort(int[] data) { [q^pMH#U"
for(int i=data.length/2;i>2;i/=2){ !e~d,NIy
for(int j=0;j insertSort(data,j,i); "$q"Kilj%
} ob/HO(h3
} T0 cm+|S
insertSort(data,0,1); D\E"v,Y\+O
} ~/Y8wxg
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/** ~`5[Li:eP
* @param data SN`L@/I
* @param j |T-Ytuy8
* @param i }S%}%1pG7
*/ ES#q/yab5
private void insertSort(int[] data, int start, int inc) { Mb97S]878I
int temp; Ifq|MZ\
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); ~se
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} 1yeD-M"w
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} "V,dH%&j
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快速排序: Ko
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package org.rut.util.algorithm.support; C*Qx
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import org.rut.util.algorithm.SortUtil; NkQain9
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/** % QaWg2Y=
* @author treeroot R^.c
* @since 2006-2-2 !_?HSDAj"n
* @version 1.0 X*e:MRw[
*/
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public class QuickSort implements SortUtil.Sort{ 5UQ[vHMqI
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/* (non-Javadoc) #Zn+-Ih
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) .SBN^fq
*/ , _ xJ9_
public void sort(int[] data) { T <RWz
quickSort(data,0,data.length-1); rWBgYh
} $<f+CtD4
private void quickSort(int[] data,int i,int j){ YLV$#a3
int pivotIndex=(i+j)/2; D~TK'&