多选题 Given:
2. class Paratrooper implements Runnable {
3. public void run() {
4. System.out.print (Thread. currentThread() .getName() +" ");
5. } }
6. public class Jump {
7. static Paratrooper p;
8. static {p = new Paratrooper(); }
9. {Thread t1 = new Thread(p, "bob"); t1.start(); }
10. public static void main(String[] args) {
11. new Jump();
12. new Thread(new Runnable() {public void run()
{; } }, "carol").start();
13. new Thread(new Paratrooper(), "alice").start();
14. }
15. Jump() {Thread t2 = new Thread(p, "ted"); t2.start();}
16. }
Which are true? (Choose all that apply.)