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。 5:_hP{ @
插入排序: jRQ+2@n{E
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package org.rut.util.algorithm.support; Tlsa%pn
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import org.rut.util.algorithm.SortUtil; 5Ec/(-F
/** 0(\+-<
* @author treeroot ?IW_O~Js
* @since 2006-2-2 pJ^NA2
* @version 1.0 }iww:H-1
*/ Mi0sC24b|
public class InsertSort implements SortUtil.Sort{ K-Mc6
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/* (non-Javadoc) ,YLF+^w-
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) !:0v{ZQ
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public void sort(int[] data) { Xs$Ufi
int temp; j8$Zv%Ca%
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); (03pJV&K
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冒泡排序: s] au/T6b
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package org.rut.util.algorithm.support; Pqp *
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import org.rut.util.algorithm.SortUtil; Q!'qC*Gyfn
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/** d8x%SQ!V
* @author treeroot `8g7q 5
* @since 2006-2-2 )&W**!(C
* @version 1.0 'Pd(\$ZY
*/ +t!S'|C
public class BubbleSort implements SortUtil.Sort{ S2^>6/[xM
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/* (non-Javadoc) 1~yZ T
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) #1/}3+=5B
*/ gNj7@bX~
public void sort(int[] data) { SNY (*
int temp; $dg9z}D
for(int i=0;i for(int j=data.length-1;j>i;j--){ c:hK$C)T
if(data[j] SortUtil.swap(data,j,j-1); Gt-UJ-RR y
}
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选择排序: 1=)r@X/6d
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package org.rut.util.algorithm.support; PlxIfL
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import org.rut.util.algorithm.SortUtil; 2xxB\J
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/** K~6e5D7.
* @author treeroot 3vic(^Qh
* @since 2006-2-2 F jrINxL7^
* @version 1.0 =
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*/ :nJgwp()@
public class SelectionSort implements SortUtil.Sort { ?vtX"Fdz
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) Va<eusl
*/ <iLM{@lZvJ
public void sort(int[] data) { S]>wc
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int temp; WNX5iwm
for (int i = 0; i < data.length; i++) { 2HL9E|h
int lowIndex = i; 2Aq~D@,9=:
for (int j = data.length - 1; j > i; j--) { 1y"3
if (data[j] < data[lowIndex]) { 6[ga$nF?
lowIndex = j; 2W<n5o
} <z)m%*lvU
} g.DLfwI|
SortUtil.swap(data,i,lowIndex); qRB7Ec_
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Shell排序: "MOpsb,
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package org.rut.util.algorithm.support; |(R5e
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import org.rut.util.algorithm.SortUtil; C*kK)6v`
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/** qYB~VE03
* @author treeroot ]!"S+gT*C
* @since 2006-2-2 =t0tK}Y+4
* @version 1.0 1T|$BK@)
*/ 4`v!Z#e/aX
public class ShellSort implements SortUtil.Sort{ LDj<?'
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/* (non-Javadoc) hlbvt-C?}"
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) WrGK \Vw[
*/ TpfZ>d2
public void sort(int[] data) { Ty4S~ClO#'
for(int i=data.length/2;i>2;i/=2){ 5]Da{Wmgs
for(int j=0;j insertSort(data,j,i); Qs 2.ef?
} #?O&
} #J\rv'
insertSort(data,0,1); *|:Q%xr-
} 7L(eh7
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/** B;#J"6w
* @param data @4+#Xd7"
* @param j ixfdO\nU
* @param i Y}G_Z#- !
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private void insertSort(int[] data, int start, int inc) { -yH,5vD
int temp; UXr5aZ7y
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); S6i@"h5
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快速排序: B|=|.qp$)
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package org.rut.util.algorithm.support; 7
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import org.rut.util.algorithm.SortUtil; LO%!Z,}
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/** R=)55qu
* @author treeroot wD\ZOn_J
* @since 2006-2-2 Kyg=$^{>G
* @version 1.0 VDF)zA1V
*/ \FmKJ\
public class QuickSort implements SortUtil.Sort{ PH3 >9/H
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/* (non-Javadoc)
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) BzJ;%ywS
*/ A&5:ATQ/|
public void sort(int[] data) { 5N7H{vT_
quickSort(data,0,data.length-1); D/(CU#i"
} *#U+qgA;`
private void quickSort(int[] data,int i,int j){ _c(4o:
int pivotIndex=(i+j)/2; f{#j6wZM
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SortUtil.swap(data,pivotIndex,j); |9K<-yD
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