试题详情
单项选择题 class Computation extends Thread {  private int num;  private boolean isComplete;  private int result;  public Computation(int num) { this.num = num; }  public synchronized void run() {  result = num * 2;  isComplete = true;  notify();  }  public synchronized int getResult() {  while (!isComplete) {  try {  wait();  } catch (InterruptedException e) { }  }  return result;  }  public static void main(String[] args) {  Computation[] computations = new Computation [4];  for (int i = 0; i < computations.length; i++) {  computations[i] = new Computation(i);  computations[i] .start();  }  for (Computation c : computations)  System.out.print(c.getResult() +“ “);  }  }  What is the result?() 

A、 The code will deadlock.

B、 The code may run with no output.

C、 An exception is thrown at runtime.

D、 The code may run with output “0 6”.

E、 The code may run with output “2 0 6 4‟.

F、 The code may ruin with output “0 2 4 6”.

  • F
  • 关注下方微信公众号,在线模考后查看

热门试题