??1?/**
??2??*?功能：完成了對(duì)所給數(shù)組進(jìn)行排序；
??3??*?
??4??*?@author?Administrator
??5??*/
??6?
??7?public?class?BubbleSort
??8?{
??9?????public?BubbleSort()
?10?????{
?11?
?12?????}
?13?
?14?????public?static?void?main?(?String?args[]?)
?15?????{
?16?????????int?data[]?=?{?63,?56,?98,?12,?24?};
?17?
?18?????????int?n?=?data.length;
?19?
?20?????????//?bubblesort(data,?n);//冒泡排序
?21?????????//selectionSort(data,?n);//選擇排序
?22?????????insertionSort(data,n);//插入排序
?23?????????for?(int?i?=?0;?i?<?n;?i++)
?24?????????{
?25?????????????System.out.println(data[i]);
?26?????????????
?27?????????}
?28?????????
?29?????}
?30?
?31?????public?static?void?swap?(?int?data[]?,?int?i?,?int?j?)
?32?????{
?33?????????int?temp;
?34?????????temp?=?data[i];
?35?????????data[i]?=?data[j];
?36?????????data[j]?=?temp;
?37?????}
?38?
?39?????/*
?40??????*?冒泡排序
?41??????*/
?42?????public?static?void?bubblesort?(?int?data[]?,?int?n?)
?43?????{
?44?????????int?numsorted?=?0;
?45?????????int?index;
?46?????????while?(numsorted?<?n)
?47?????????{
?48?????????????for?(index?=?1;?index?<?n?-?numsorted;?index++)
?49?????????????{
?50?????????????????if?(data[index?-?1]?>?data[index])
?51?????????????????????swap(data,?index?-?1,?index);
?52?
?53?????????????}
?54?????????????numsorted++;
?55?
?56?????????}
?57?
?58?????}
?59?
?60?????/*
?61??????*?選擇排序
?62??????*/
?63?????public?static?void?selectionSort?(?int?data[]?,?int?n?)
?64?????{
?65?????????int?numUnsorted?=?n;
?66?????????int?index;
?67?????????int?max;
?68?????????while?(numUnsorted?>?0)
?69?????????{
?70?????????????max?=?0;
?71?????????????for?(index?=?1;?index?<?numUnsorted;?index++)
?72?????????????{
?73?????????????????if?(data[max]?<?data[index])
?74?????????????????????max?=?index;
?75?
?76?????????????}
?77?????????????swap(data,?max,?numUnsorted?-?1);
?78?????????????numUnsorted--;
?79?
?80?????????}
?81?????}
?82?
?83?????/*
?84??????*?插入排序
?85??????*/
?86?????public?static?void?insertionSort?(?int?data[]?,?int?n?)
?87?????{
?88?????????int?numSorted?=?1;
?89?????????int?index;
?90?????????while?(numSorted?<?n)
?91?????????{
?92?????????????int?temp?=?data[numSorted];
?93?????????????for?(index?=?numSorted;?index?>?0;?index--)
?94?????????????{
?95?????????????????if?(temp?<?data[index?-?1])
?96?????????????????{
?97?????????????????????data[index]?=?data[index?-?1];
?98?????????????????}?else
?99?????????????????{
100?????????????????????break;
101?????????????????}
102?????????????}
103?????????????data[index]?=?temp;
104?????????????numSorted++;
105?????????}
106?????}
107?
108?}
109?
posted on 2007-02-06 16:48
-274°C 閱讀(1370)
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