java实现1-100随机数相加

犹豫

import java.util.ArrayList; import java.util.List; import java.util.Random; public class RandomTest { private List list=new ArrayList(); public void doMain() { Random r=new Random(); for(int i=0;i<100;i ) { int nextint=r.nextInt(); list.add(new Integer (nextint)); } int sum=0; for(int i=0,n=list.size();i<n;i ) { int value=(Integer)list.get(i); sum =value; } System.out.println(sum); } public static void main(String[] args) { new RandomTest().doMain(); } }