variable arguments 2

public class TestMain {

public static void main(String[] args) {

test();

test(1, null);

test("1", "2", null, 3);

}

private static void test(Object... args) {

System.out.println("---------------------------");

System.out.println("args.length : " + args.length);

for (Object obj : args) {

System.out.println("\t" + obj);

}

}

}

// output

--------------------------- args.length : 0 --------------------------- args.length : 2 1 null --------------------------- args.length : 4 1 2 null 3