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。 X-9>;Mb~y
插入排序: T6JN@:8
*@=in7*c
package org.rut.util.algorithm.support; Mk"+*G
Rkm1fYf
import org.rut.util.algorithm.SortUtil; ')t
:!#
/** kA?a}
* @author treeroot xc[@lr
* @since 2006-2-2 ZB GLwe
* @version 1.0 Xn-GSW3{
*/ \y^ Od7F
public class InsertSort implements SortUtil.Sort{ F+Rtoq|
I&]d6,
/* (non-Javadoc) HXhz |s0
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 'Ca6cm3Tg
*/ h`dtcJ0
public void sort(int[] data) { ,<F =\G_f
int temp; m8eyAvi6
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); *T
j(IN
} OiX:h#
} 9{|JmgO!
} G\G TS}u[
m\`dLrPX4j
} zF6R\w
R/r)l<X@
冒泡排序: 5=tvB,Ux4
3TqC.S5+
package org.rut.util.algorithm.support; w@Uw8b
LnIln[g:
import org.rut.util.algorithm.SortUtil; D"0:n.
PVHJIB
/** 6s\niro2
* @author treeroot zvV<0 Z
* @since 2006-2-2 CI"7* z_
* @version 1.0 "OF4#a17
*/ 9Z]~c^UB
public class BubbleSort implements SortUtil.Sort{ n4Nb,)M
P:h;"
/* (non-Javadoc) ,#[0As29u
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) G 'IqAKJ
*/ t-Rfy`I3
public void sort(int[] data) { E8g Xa-hv
int temp; bh|M]*Pq
for(int i=0;i for(int j=data.length-1;j>i;j--){ "V-k_d "
if(data[j] SortUtil.swap(data,j,j-1); lo*OmAF
} F8M&.TE_3
} .?R~!K{`
} x8k7y:
} uKc x$
<WFA3
} 1=(jpy
[xzgk[>5
选择排序: nVkx Q?2
rx2?y3pv
package org.rut.util.algorithm.support; %@
UH,Ew
ITJ{]7N
import org.rut.util.algorithm.SortUtil; BrF/-F
nMXk1`|/)x
/** A>WMPe:sSS
* @author treeroot it]im
* @since 2006-2-2 }5c%v1
* @version 1.0 %B?@le+%
*/ ws8@yr<R
public class SelectionSort implements SortUtil.Sort { abiZ"?(
j8n_:;i*
/* `)V1GR2
ES
* (non-Javadoc) -n&g**\w
* y4*i
V;"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 8*7t1$
*/ K~'!JP8@
public void sort(int[] data) { x|4m*>Ke
int temp; -^sW{s0Rc
for (int i = 0; i < data.length; i++) { `roos<F1D
int lowIndex = i; j1{|3#5V
for (int j = data.length - 1; j > i; j--) { d 90
if (data[j] < data[lowIndex]) { 3FRz&FS:j
lowIndex = j; p3>(ZWPNV
} )_bc:6Q
} '%Og9Bgd+
SortUtil.swap(data,i,lowIndex); Z9X<W`
} MzjV>.
} 8K+(CS>xvO
|dIP &9
} Qn=3b:S-
xz2U?)m;x
Shell排序: 9V&}%
&"HxAK)f
package org.rut.util.algorithm.support; q#LB 2M
sF9{(Us
import org.rut.util.algorithm.SortUtil; iMG)zPj
tUX4#{)q(j
/** vJZ0G:1
* @author treeroot vHR-mQUs
* @since 2006-2-2 _Z~cJIEU
* @version 1.0 )Z6bMAb0'N
*/ |OW/-&)
public class ShellSort implements SortUtil.Sort{ *u
L Ooq
S1jI8 #z}_
/* (non-Javadoc) ,TeJx+z^
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) \s_lB~"P!3
*/ ?%RAX CK
public void sort(int[] data) { A:|dY^,:?*
for(int i=data.length/2;i>2;i/=2){ Pdgn9
for(int j=0;j insertSort(data,j,i); e^v5ai
} vW6
a=j8
} U@t"o3E
insertSort(data,0,1); %=p:\+`VI
} ^gw htnI
Y~I$goT
/** GMk\
l
* @param data k^<s|8Y
* @param j TUE*mDRmP
* @param i \YUl$d0
*/
.'`7JU#{
private void insertSort(int[] data, int start, int inc) { mCM7FFl I
int temp; b1+6I_u.
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); H~Z$ pk%
} qY,z,oAF
} v[$-)vs*ag
} C]@v60I
:r4]8X-
} 3[q&%Z.
0cYd6u@
快速排序: s*'L^>iZ
~kDR9s7
package org.rut.util.algorithm.support;
|gXtP-
eZ>KA+C[
import org.rut.util.algorithm.SortUtil; MmIVTf4
^b{ -y
/** Kmy'z
* @author treeroot ~\vGwy
* @since 2006-2-2 \VY!= 9EV
* @version 1.0 n oWjZ
*/ NO$n-<ag
public class QuickSort implements SortUtil.Sort{ |E{tS,{OhJ
]JGh[B1gh
/* (non-Javadoc) ^O>G?a
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) N=2BrKb)o
*/ |X}H&wBWo
public void sort(int[] data) { f/1soGA
quickSort(data,0,data.length-1); ]V*ku%L0
} @B.;V=8wJ
private void quickSort(int[] data,int i,int j){ Tbf@qid e
int pivotIndex=(i+j)/2; 8(AI|"A"-
file://swap |aAu4
SortUtil.swap(data,pivotIndex,j); oAnNdo
A/bxxB7w
int k=partition(data,i-1,j,data[j]); VV_Zrje
SortUtil.swap(data,k,j); ?(C(9vO
if((k-i)>1) quickSort(data,i,k-1); 0<g;g%
if((j-k)>1) quickSort(data,k+1,j); 7!-3jU@m
72i]`
} f82$_1s^
/** C(w?`]Qs
* @param data =O~ J
* @param i @M]uUL-ze
* @param j cImOZx
* @return R1!F mZW8
*/ WA'&