varargsexample4.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.*;

public class VarargsExample4
{
	public static void main(String[] args)
	{
		out.println("none = "+sum());
		out.println("1 + 2 + 3 = "+sum(1, 2, 3));
	}
	
	public static int sum(int... nums)
	{
		int sum = 0;
		for(int i : nums)
			sum += i;

		return sum;
	}

	public static int sum(int[] nums)
	{
		int sum = 0;
		for(int i : nums)
			sum += i;

		return sum * 2;
	}
}