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。 t(PA+~sIp
插入排序: nwfu@h0G
0(u}z
package org.rut.util.algorithm.support; d
{ P$}b
{0fQE@5@
import org.rut.util.algorithm.SortUtil; iI'ib-d
/** :?z@T[-
* @author treeroot u-jc8W`Zd
* @since 2006-2-2 B+R|fQ
* @version 1.0 D(|+z-}M
*/ N`H`\+
public class InsertSort implements SortUtil.Sort{ ABp8PD
M
e:l)8+
/* (non-Javadoc) !h}Vz
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) aA>!p{/x
*/ y,jpd#Y
public void sort(int[] data) { D8E^[w!
int temp; I(&N2L$-
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); %cDTq&Q
} ume70ap}m
} T\4>4eX-
} n|Y}M]u,
G#NbLj`h
} ? ][/hL@[
8
ks\-38n1
冒泡排序: n[i:$! ,
[GK##z'5
package org.rut.util.algorithm.support; v&9:Wd*Iz'
W:w SM*
import org.rut.util.algorithm.SortUtil; k+i0@G'C(
NaQ~iY?
/** OaoHN& "
* @author treeroot \f Kn} ]kG
* @since 2006-2-2 ei1;@k/
* @version 1.0 +5R8mbD!
*/ n) HV:8j~
public class BubbleSort implements SortUtil.Sort{ 4XiQ8"C
TL$w~dY
/* (non-Javadoc) `RU RC"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ##mBOdx
*/ ?/,V{!UTtq
public void sort(int[] data) { 5__B
M5|
int temp; n^qwE
for(int i=0;i for(int j=data.length-1;j>i;j--){ `)w=@9B)"
if(data[j] SortUtil.swap(data,j,j-1); \oGU6h<
} Iv9U4
} 9-1'jNV
} :]8A;`G}
} xa?auv!
`W1TqA
} SjA'<ZX>TM
QiVKaBS8
选择排序: +yk 0ez
e&[~}f?
package org.rut.util.algorithm.support; \>j@!W
UIIsgNca
import org.rut.util.algorithm.SortUtil; >8vq`,e
CSWA/#&8>
/** &i`(y>\
* @author treeroot wF6a*b@v
* @since 2006-2-2 #X{lV]Z
* @version 1.0 ,ag*
/
*/ R Eo{E
public class SelectionSort implements SortUtil.Sort { ] ONmWo77o
HuSE6an
/* D=5%lL
* (non-Javadoc) Gw6!cp|/
* w'xPKO$bzR
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 1guiuR4
*/ ]D2d=\
public void sort(int[] data) { fv*
$=m
int temp; HG5E,^1n
for (int i = 0; i < data.length; i++) { *|L;&XM&/
int lowIndex = i; Y~#.otBL&
for (int j = data.length - 1; j > i; j--) { w; f LnEz_
if (data[j] < data[lowIndex]) { RR/?"d?&
lowIndex = j; F6+4Yy+
} *Kq;xM6Ck
} 2`FDY3n
SortUtil.swap(data,i,lowIndex); PCc{0Rp\vk
} D7B g!*
} "1DlusmCCB
r=RiuxxTq
} K}whqe]j
Rp_ }_hL0
Shell排序: Eh9{n,5-
l
u{6
package org.rut.util.algorithm.support; M4d4b
-"2%+S{
import org.rut.util.algorithm.SortUtil; t|UM2h
c,G[R k
/**
VIod6Vk
* @author treeroot bQ0+Y?,+/
* @since 2006-2-2 8KdcU[w]
* @version 1.0 5GJa+St?
*/ \K
Kt&bKL
public class ShellSort implements SortUtil.Sort{ bNvc@oo
ej(< Le\
/* (non-Javadoc) LzEH&y_O
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 1u }2}c|
*/ uXG$YDKqC
public void sort(int[] data) { sbhUW>%.
for(int i=data.length/2;i>2;i/=2){ "p>kiNu
for(int j=0;j insertSort(data,j,i); Te^_gdf
} b'`C<Rk
} 4C;"4''L
insertSort(data,0,1); H$zD k
} =%[vHQ\%
ehMpo BL
/** 4/2@^\?i)
* @param data h?->A#
* @param j G*zhy!P
* @param i )fke;Y0
*/ j4#S/:Q<7
private void insertSort(int[] data, int start, int inc) { mJVru0
int temp; ]qk`Yi
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); Q$yQ^ mG
} Qgo|\=
} W{]r_`=:6S
} m='_O+ $
OZ<fQf.Gh}
} B/JMH 1r
MBol_#H
快速排序: ) .MV1@s
oPF
n`8dQ
package org.rut.util.algorithm.support; (S&D
`cRRdD:dA
import org.rut.util.algorithm.SortUtil; t6%zfm
R:44Gv7
/** &?9~e>.OS
* @author treeroot BGO
pUy
* @since 2006-2-2 ~>3#c#[
* @version 1.0 \LM{.gzT
*/ .;:dG
public class QuickSort implements SortUtil.Sort{ J
p0j
T&E'MB
/* (non-Javadoc) &w^:nVgl
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) #<-%%
*/ *Oh]I|?
public void sort(int[] data) { vC^n_
quickSort(data,0,data.length-1); (~#-J7
} _J_QB]t
private void quickSort(int[] data,int i,int j){ L^ U.h
int pivotIndex=(i+j)/2; W)odaab7
file://swap u&o<>d;)
SortUtil.swap(data,pivotIndex,j); bI)%g
lygv#s-T
int k=partition(data,i-1,j,data[j]); q9$K.=_5
SortUtil.swap(data,k,j); (^)(#CxO
if((k-i)>1) quickSort(data,i,k-1); };>~P%u32
if((j-k)>1) quickSort(data,k+1,j); 'W p~8}i@
mbIHzzW>
} (+bt{Ma
/** hx}X=7w
* @param data ,#(k|Zztc
* @param i 9%?a\#C
* @param j ,Q+.kAh !G
* @return s`dUie}y<
*/ l+^4y_
private int partition(int[] data, int l, int r,int pivot) { Qf@ha
do{ *UdP1?Y
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); p2wDk^$
SortUtil.swap(data,l,r); )JR&
} =$<