修饰符 返回值类型 方法名（参数类型…变量名）{}

		
package cn.netkiller.test;


public class Test {

    public static void main(String[] args) {
        Test test = new Test();
        int total = test.sum(2, 4, 6, 8);
        System.out.println(total);
        test.print(1, 3, 5, 7);
    }

    public int sum(int... number) {
        int total = 0;
        for (int i = 0; i < number.length; i++) {
            total += number[i];
        }
        return total;
    }

    public void print(Object... obj) {
        for (int i = 0; i < obj.length; i++) {
            System.out.printf("%s,", obj[i]);
        }
    }
}