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%vt$dy*8
插入排序: X7NRQ3P@
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package org.rut.util.algorithm.support; VqVP5nT'=
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import org.rut.util.algorithm.SortUtil; }\*dD2qNL}
/** czdNqk.kh
* @author treeroot 0O!%NL[,
* @since 2006-2-2 W{=>c/
* @version 1.0 VskyRxfdW3
*/ xg. d)n
public class InsertSort implements SortUtil.Sort{ 1a/@eqF''
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/* (non-Javadoc) Ga N4In[d
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) |+x;18
*/ HTf7r-
public void sort(int[] data) { vRn^n
int temp; 4LUFG
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); pjIXZ=
} <ynmA
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冒泡排序: lJ R",_
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package org.rut.util.algorithm.support; [AE]0cO@
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import org.rut.util.algorithm.SortUtil; 1i2jYDB"
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/** JgYaA*1X
* @author treeroot <y-KWWE
* @since 2006-2-2 G)5%f\&
* @version 1.0 ldI;DoE#U1
*/ G?'L1g[lc
public class BubbleSort implements SortUtil.Sort{ }4A+J"M4y
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/* (non-Javadoc) rguC#Xt!4
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) JS!rZi
*/ oKA8)~Xqou
public void sort(int[] data) { WH/r$.&
int temp; *1Nz
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for(int i=0;i for(int j=data.length-1;j>i;j--){ .OXvv _?<
if(data[j] SortUtil.swap(data,j,j-1); kTc'k
} n8iejdA'
} A5y?|q>5
} ;gK+AU
} J--9VlC'
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选择排序: 5s;HF |2x
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package org.rut.util.algorithm.support; 3~a!h3.f
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import org.rut.util.algorithm.SortUtil; /NMd GKr
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/** i7mT<w>?
* @author treeroot `<b 3e(A
* @since 2006-2-2 q`"gT;3S
* @version 1.0 qD7#q]
*/ + [|2k(U
public class SelectionSort implements SortUtil.Sort { pWw aN4
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/* ~O
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* (non-Javadoc) 6$9n_AS
* oizD:|
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) )/Ee#)z*
*/ iW.8+?Xq&
public void sort(int[] data) { e@NS=U` <
int temp; 6b6}HO
for (int i = 0; i < data.length; i++) { Q$iv27
int lowIndex = i; )O#>ONm^
for (int j = data.length - 1; j > i; j--) { [0Z
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if (data[j] < data[lowIndex]) { g=o)=sQd
lowIndex = j; BqCBH!^x
} j:O=9
} _dmgNbs
SortUtil.swap(data,i,lowIndex); .v/s9'lB
} ~
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} q 1Rk'k4+
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} lRZt))3
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Shell排序: h=EJNz>U
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package org.rut.util.algorithm.support; `5=0f}E
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import org.rut.util.algorithm.SortUtil; 7K
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/** _F;(#D
* @author treeroot FC.y%P,
* @since 2006-2-2 >e>Q'g{
* @version 1.0 /V$[M
*/ UStZ3A'
public class ShellSort implements SortUtil.Sort{ ^ :6v-
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/* (non-Javadoc) hz>&E,<8q
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) a4 O
*/ b_W0tiyv%
public void sort(int[] data) { vp[~%~1(
for(int i=data.length/2;i>2;i/=2){ .NiPaUzc<
for(int j=0;j insertSort(data,j,i); UpN:F
} ++5W_Ooep
} )o
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insertSort(data,0,1); =V/$&96Q
} : \:jIP
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/** m!$"-nh9
* @param data ]9l=geZd%;
* @param j HulN84
* @param i Hhx<k{B@7
*/ J2v=b?NE
private void insertSort(int[] data, int start, int inc) { ,xn+T)2I
int temp; u/hFf3
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); &b i Bm
} lJ62[2=V
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快速排序: BBnj}XP*4
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package org.rut.util.algorithm.support; 7M<7^)9
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import org.rut.util.algorithm.SortUtil; : N> 5{
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/** :05>~bn>pC
* @author treeroot k10dkBoEX
* @since 2006-2-2 d-#MRl$rtK
* @version 1.0 s4@AK48
*/ cW/RH.N
public class QuickSort implements SortUtil.Sort{ 7 1z$a
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/* (non-Javadoc) ME>OTs
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) |FS79Bv
*/ ']Nw{}eS`
public void sort(int[] data) { v< xe(dC
quickSort(data,0,data.length-1); j;=+5PY
} E@}t1!E<
private void quickSort(int[] data,int i,int j){ S@k4k^Vg
int pivotIndex=(i+j)/2; D`o*OlU
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SortUtil.swap(data,pivotIndex,j); N*|Mfpf
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int k=partition(data,i-1,j,data[j]); u%Hegqn
SortUtil.swap(data,k,j); I%h9V([
if((k-i)>1) quickSort(data,i,k-1); HH&`f3
if((j-k)>1) quickSort(data,k+1,j); G)?VC^Q
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} +w?RW^:Q=
/** $-|`#|CBd
* @param data VuN=
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* @param i yxf|Njo0
* @param j OHdCt
* @return J)6RXt*!
*/ Ep|W>
private int partition(int[] data, int l, int r,int pivot) { aW$sd)
do{ a<k x95
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); 7i`@`0
SortUtil.swap(data,l,r); HC@E&t