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。 {Mo[C%
插入排序: "4KyJ;RA*
V6>{k_0{V
package org.rut.util.algorithm.support; R,7.o4Wt
io"NqR#"v
import org.rut.util.algorithm.SortUtil; J*ofa>
/** H [M:iV
* @author treeroot /_JR7BB^X,
* @since 2006-2-2 }ub>4N[
* @version 1.0 !9qw
*/ }<z[t5
public class InsertSort implements SortUtil.Sort{ 8\)4waz$
dr8Q>(ZY
/* (non-Javadoc) aA%x9\Y
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 8u*Q^-fpo0
*/ Oo!]{[}7
public void sort(int[] data) { Q=<&ew
int temp; '[[IalQ?
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); ;Srzka2
} ?iaO+G&|
} x wfdJ(&
} EE9eG31|r
q@mZ0D-
} u#ocx[
wlwgYAD
冒泡排序: .<K9Zyi
D.F1^9Q
package org.rut.util.algorithm.support; 5:~ zlg
Oxi^&f||`
import org.rut.util.algorithm.SortUtil; *EU1`q*
!}d_$U$
/** rv~OfL
* @author treeroot nS!m1&DeD
* @since 2006-2-2 | m#"
* @version 1.0 pfMmDl5|
*/ -ADb5-px
public class BubbleSort implements SortUtil.Sort{ =4/K#cQ
9:!V":8q
/* (non-Javadoc) yTWicW7i
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) _bCIVf`
*/ :K*/
public void sort(int[] data) { q) e*eN
int temp; oC TSV
for(int i=0;i for(int j=data.length-1;j>i;j--){ ;0dl
if(data[j] SortUtil.swap(data,j,j-1); Qj9'VI>&
} RHI?_gf&
} gue~aqtJ
} FdxV#.BE
} *Fd(
_nIt4l7
} AHplvksb
{UuSNZ[^
选择排序: .V{y9e+
JPe<qf-
package org.rut.util.algorithm.support; *kNXju
/,9n1|FrG
import org.rut.util.algorithm.SortUtil; Zx|VOl,;
Ye\&_w"
/** _W BWFGj
* @author treeroot Tu=~iQ
* @since 2006-2-2 :w9s bW
* @version 1.0 <xD6}h/
*/ t|59/R
public class SelectionSort implements SortUtil.Sort { $mst\]&;
f!}e*oX
/* 9t{Iv({6p
* (non-Javadoc) 1v9#Fr Y
* z#srgyLt
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Y-P?t+l
*/ s,8g^aF4
public void sort(int[] data) { DP
&*P/
int temp; #D Oui]
for (int i = 0; i < data.length; i++) { u[LsH
int lowIndex = i; cG4$)q;q
for (int j = data.length - 1; j > i; j--) { }N#hg>;
B
if (data[j] < data[lowIndex]) { T3/Gl6f
lowIndex = j; hWiBLip,z
} f5vsxP)Y[
} j<-YK4.t
SortUtil.swap(data,i,lowIndex); uVLKR PY
} >?^_JEC6
} )C#b83
$w
,^q+
} E3 aj
8i?:aN[.1b
Shell排序: Kd').w
oz/Nx{bg
package org.rut.util.algorithm.support; 5c6?$v/
5VK.Zs\
import org.rut.util.algorithm.SortUtil; qku!Mg
76RFu@k
/** nQ^ c{Bm:
* @author treeroot .L))EB
* @since 2006-2-2 %j2ZQ/z
* @version 1.0 ^n<o,K4\}
*/
{_>}K
public class ShellSort implements SortUtil.Sort{ U|)CZcM
:B5M#D!dO
/* (non-Javadoc) a X:,1^
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) H+F>#
*/ xPorlX)zW
public void sort(int[] data) { I2<5#|CXpZ
for(int i=data.length/2;i>2;i/=2){ Kz2s{y~?
for(int j=0;j insertSort(data,j,i); S[I-Z_S
} pn-`QB:{h
} f,'9Bj.~
insertSort(data,0,1); SH/^qDT'
} ;A;FR3=)
<t"|wYAa_
/** HMPb%'U~
* @param data ]U)Yg
* @param j bz\-%$^k
* @param i o=y0=,:a?9
*/ w4(g]9^Q
private void insertSort(int[] data, int start, int inc) { BoHpfx1C
int temp; GLE"[!s]f
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); ;{f4E)t 7
} k*uLjU
} fsz:A"0H
} 0mi$_Ld+
+IWH7 qRtp
} 5C9b*]-#
V7Cnu:0_
快速排序: f4b9o[,s2e
lQHF=Jex
package org.rut.util.algorithm.support; Ly+UY.v"
v62_VT2v
import org.rut.util.algorithm.SortUtil; 5tQz!M
&Y=0 0
/** @m9pb+=v
* @author treeroot {g<D:"Q
* @since 2006-2-2 w,LmAWZ4Y
* @version 1.0 0_gN]>,9n
*/ I[Lg0H8
public class QuickSort implements SortUtil.Sort{ ]=qauf>3
vTO9XHc E
/* (non-Javadoc) j)mU`b_
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) *x|%Nua"
*/ 6M*z`B{hV
public void sort(int[] data) { /{i~-DVME
quickSort(data,0,data.length-1); 7 H
} p2Ep(0w,R5
private void quickSort(int[] data,int i,int j){ rMDvnF
int pivotIndex=(i+j)/2; S)W xTE9
file://swap 2{rWAPHgz
SortUtil.swap(data,pivotIndex,j); G<$:[ +w
Fvl\.
int k=partition(data,i-1,j,data[j]); Y,)(Q
SortUtil.swap(data,k,j); iWf+wC|
if((k-i)>1) quickSort(data,i,k-1); 2!sPgIz
if((j-k)>1) quickSort(data,k+1,j);
/:4J
V/ G1C^'/
} bkV<ZUW|;
/** [Km{6L&
* @param data L3, /7
* @param i F]
c\Qt
* @param j h+Co:pr
* @return Zd[rn:9\
*/ \G gh 95y
private int partition(int[] data, int l, int r,int pivot) { kXwAw]ogN
do{ ##rkyd
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); lKf58
mB
SortUtil.swap(data,l,r); HoGYgye=
} F/s
n"2
while(l SortUtil.swap(data,l,r); v1OVrk>s>
return l; $gUlM+sK
} V+E8{|dYL
eP-|3$
} M&V'*.xz
zC2:c"E
I
改进后的快速排序: *:n~j9V-
n~I-mR)"
package org.rut.util.algorithm.support; [H}>
2Q
%bi ie
import org.rut.util.algorithm.SortUtil; A &