Ikk：新頁面: Given:
1. public class Threads3 implements Runnable{
2. public void run(){
3. &n...

2013-03-26T07:27:17Z

新頁面: Given: 1. public class Threads3 implements Runnable{ 2. public void run(){ 3. &n...

新頁面

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".

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解答

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Ans: E 

 解說:
t.run呼叫二次是在main的執行緒上，第3次run被執行則是以執行緒t來執行。


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{{SCJP 1.6版考題講解}}

SCJP 1.6版考題 241 - 修訂歷史

Ikk：新頁面: Given: 1. public class Threads3 implements Runnable{ 2. public void run(){ 3. &n...

Ikk：新頁面: Given:
1. public class Threads3 implements Runnable{
2. public void run(){
3. &n...