第241題

Given:

1. public class Threads3 implements Runnable{
2. public void run(){
3. System.out.print("running");
4. }
5. public static void main(String[] args){
6. Thread t = new Thread(new Threads3());
7. t.run();
8. t.run();
9. t.start();
10. }
11. }

What is the result?

A. Compilation fails.
B. An exception is thrown at runtime.
C. The code executes and prints "running".
D. The code executes and prints "runningrunning".
E. The code executes and prints "runningrunningrunning".
答案：E

參考：13-3 Runnable介面