java 变长参数

package day20151020jdbc;import java.util.Arrays;/** * 变长参数 */public class Test {    public static void main(String[] args) {        test("a","b","c","d");    }    //String...strings : 变长参数，实际上是数组    public static void test(String...strings){        System.out.println(Arrays.toString(strings));    }    public static void test(int a, String...strings){        System.out.println(Arrays.toString(strings));    }}//运行结果：[a, b, c, d]