| package p; |
| |
| public class A { |
| public String runThese(Runnable[] runnables) { |
| return "A"; |
| } |
| |
| public static void main(String[] args) { |
| Runnable r1 = null, r2 = null; |
| System.out.println(new A().runThese(new Runnable[] { r1, r2 })); |
| System.out.println(new Sub().runThese(new Runnable[] { r1, r2 })); |
| System.out.println(new Sub().runThese(r1, r2)); |
| System.out.println(new Sub2().runThese(new Runnable[] { r1, r2 })); |
| } |
| } |
| |
| class Sub extends A { |
| public String runThese(Runnable... runnables) { |
| return "Sub, " + super.runThese(runnables); |
| } |
| } |
| |
| class Sub2 extends Sub { |
| public String runThese(Runnable[] runnables) { |
| return "Sub2, " + super.runThese(runnables); |
| } |
| } |