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。 +l,6}tV9
插入排序: IRxFcLk
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package org.rut.util.algorithm.support; ]mW)T0_
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import org.rut.util.algorithm.SortUtil; \1p_6U7
/** V L&5TZtz
* @author treeroot f/VrenZ_
* @since 2006-2-2 dLtn,qCX0^
* @version 1.0 O [81nlhS0
*/ !83N.
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public class InsertSort implements SortUtil.Sort{ KC`~\sYRN]
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/* (non-Javadoc) r,` 5 9
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) @Q=P6Rz
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*/ Js7D>GWP!
public void sort(int[] data) { ).Ei:/*j
int temp;
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for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); yM8<)6=
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冒泡排序: #n[1%8l,
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package org.rut.util.algorithm.support; H(1(H0Kj"
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import org.rut.util.algorithm.SortUtil; G}lP'9/
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/** N`DLIv8i;
* @author treeroot ;8G( l
* @since 2006-2-2 LD~s@}yH>
* @version 1.0 --~m{qmy
*/ $|2@of.
public class BubbleSort implements SortUtil.Sort{ "?lm`3W"
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/* (non-Javadoc) ?rD`'B
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ^lP_{c
*/ ?QnVWu2K
public void sort(int[] data) {
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int temp; kUdl2["MZ
for(int i=0;i for(int j=data.length-1;j>i;j--){ A!K/92[#@
if(data[j] SortUtil.swap(data,j,j-1); 5G\CT&cQR
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选择排序: WG{mg/\2(C
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package org.rut.util.algorithm.support; 9 pGND]tIi
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import org.rut.util.algorithm.SortUtil; M=!RJ%6f
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/** Ua@rp3fr
* @author treeroot o@o6<OP^
* @since 2006-2-2 S[b)`Wi D
* @version 1.0 )m-l&UK
*/ >t/P^fr_F
public class SelectionSort implements SortUtil.Sort { ,u^S(vxyz
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/* Ch1+YZG
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) :.-z) C}
*/ P~)ndaQ
public void sort(int[] data) { <&?gpRK
int temp; Y}bJN%M
for (int i = 0; i < data.length; i++) { R?Dbv'lp>
int lowIndex = i; ~ E)[!y
for (int j = data.length - 1; j > i; j--) { K8`M~P.
if (data[j] < data[lowIndex]) { .oJs"=h:m
lowIndex = j; cm8-L[>E
} 7-oH >OF^
} rpgr5>
SortUtil.swap(data,i,lowIndex); OAc*W<Q0
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Shell排序: IeqJ>t:
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package org.rut.util.algorithm.support; 959i2z
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import org.rut.util.algorithm.SortUtil; jhWNMu
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/** CjzfU*G
* @author treeroot oRM,_
* @since 2006-2-2 fb5]eec
* @version 1.0 g& yR -
*/ c3gy{:lb
public class ShellSort implements SortUtil.Sort{ M-!eL<
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/* (non-Javadoc) =?`5n|A*
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) }}3*tn<6
*/ J~5VL |ca
public void sort(int[] data) { K_iy^|0)5]
for(int i=data.length/2;i>2;i/=2){ rSIb1zJ
for(int j=0;j insertSort(data,j,i); 8@)/a
} Hp_3BulS<
} ~RVx~hh
insertSort(data,0,1); J?XEF@?'G
} Ve,_;<F]S
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/** ExDH@Lb
* @param data j:%~:
* @param j @L%9NqE`O
* @param i R|T_9/#)
*/ )*@Oz
private void insertSort(int[] data, int start, int inc) { D<[4}og&]
int temp; \A\a=A[
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); f[n#Eu}
} Y8I$JBO
} A/W-'%+`
} (lhbH]I
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}
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快速排序: Yn,dM~|Cc
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package org.rut.util.algorithm.support; "t+VF4r
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import org.rut.util.algorithm.SortUtil; hq.z:D
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/** qoBm!|q
* @author treeroot im^G{3z
* @since 2006-2-2 S] Gw}d]4
* @version 1.0 cO2
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*/ ]Au78Yom
public class QuickSort implements SortUtil.Sort{ 0X\,!FL
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/* (non-Javadoc) vN%zk(?T
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) J<:qzwh
*/ *-bR~
public void sort(int[] data) { [3s,U4a
quickSort(data,0,data.length-1); ZD1UMB0$4
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private void quickSort(int[] data,int i,int j){ x%ZjGDF m
int pivotIndex=(i+j)/2; 7-+X -Y?
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SortUtil.swap(data,pivotIndex,j); VrhG=CK
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int k=partition(data,i-1,j,data[j]); w
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SortUtil.swap(data,k,j); 7ZHM;_
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if((k-i)>1) quickSort(data,i,k-1); F;jl0)fBR=
if((j-k)>1) quickSort(data,k+1,j); n{pS+u z
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} oUEpzv,J
/** 3Juhn5&N
* @param data HoGrvt<:.P
* @param i WO*YBH@
* @param j 4E:HO\
* @return ]yN]^%PYH
*/ 5tR<aIf
private int partition(int[] data, int l, int r,int pivot) { :|oH11y
do{ >`8r 52
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); v\:>}
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SortUtil.swap(data,l,r); >Vc_.dR)E
} |_aE~_
while(l SortUtil.swap(data,l,r); z6bTcs"7h
return l; eKpH|S!xU
} yNAvXkp
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