欢迎光临
我们一直在努力

Collection 与iterator接口-JSP教程,Java技巧及代码

建站超值云服务器,限时71元/月

import java.util.*;
/**
* collection 与iterator接口
*
*
**/
public class testcollection
{
&nbsp&nbsp public static void main(string args[])
&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp arraylist v = new arraylist();
&nbsp&nbsp&nbsp&nbsp int b = 0;
&nbsp&nbsp&nbsp&nbsp system.out.println(“please input the number:”);
&nbsp&nbsp&nbsp&nbsp while(true)
&nbsp&nbsp&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp try
&nbsp&nbsp&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp b = system.in.read();
&nbsp&nbsp&nbsp&nbsp }
&nbsp&nbsp&nbsp&nbsp catch(exception e)
&nbsp&nbsp&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp e.printstacktrace();
&nbsp&nbsp&nbsp&nbsp }
&nbsp&nbsp&nbsp&nbsp if(b==\r || b==\n)
&nbsp&nbsp&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp break;
&nbsp&nbsp&nbsp&nbsp }
&nbsp&nbsp&nbsp&nbsp else
&nbsp&nbsp&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp int num = b -0;
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp v.add(new integer(num));
&nbsp&nbsp&nbsp&nbsp }
&nbsp&nbsp&nbsp&nbsp }
&nbsp&nbsp&nbsp&nbsp int sum = 0;
&nbsp&nbsp&nbsp&nbsp iterator e = v.iterator();
&nbsp&nbsp&nbsp&nbsp while(e.hasnext())
&nbsp&nbsp&nbsp&nbsp {
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp integer intobj = (integer)e.next();
&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp sum += intobj.intvalue();
&nbsp&nbsp&nbsp&nbsp }
&nbsp&nbsp&nbsp&nbsp system.out.println(sum);&nbsp&nbsp&nbsp&nbsp }
}

赞(0)
版权申明:本站文章部分自网络,如有侵权,请联系:west999com@outlook.com 特别注意:本站所有转载文章言论不代表本站观点! 本站所提供的图片等素材,版权归原作者所有,如需使用,请与原作者联系。未经允许不得转载:IDC资讯中心 » Collection 与iterator接口-JSP教程,Java技巧及代码
分享到: 更多 (0)