boxingexample2.java

JAVA SE6 全方位学习 朱仲杰 编著 机械工业出版社出版

package java2.F;

import static java.lang.System.*;
import java.util.*;

public class BoxingExample2
{
	public static void main(String[] args)
	{
		Random rnd = new Random(currentTimeMillis());
		List<Integer> nums = new ArrayList<Integer>();
		for(int i=0; i<5; i++)
			//nums.add(new Inetger(rnd.nextInt());
			nums.add(rnd.nextInt());
		
		Integer sum = new Integer(0);
		//int iSum = 0;
		//for(Integer i : nums)
		//	iSum += i.intValue());
		//sum = new Integer(iSum);
		for(int i : nums)
			sum += i;
		
		out.printf("sum%s is %d%n", nums.toString(), sum);
	}
}