试题详情
多项选择题 class Order implements Runnable {    public void run ()  {  try { Thread.sleep (2000) ;  } catch (Exception e)    System.out.print("in") ;  public static void main (String [] args)  {    Thread t = new Thread (new Order ()) ;    t.start () ;  System.out.print ("pre ") ;  try { t.join () ;  } catch (Exception e)  { }    System.out.print ("post") ;   可产生哪两项结果?()  

A、 pre in post

B、 pre in

C、 in post pre

D、 in pre post

E、 pre post in

  • A,D
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