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
正确答案:A,D
答案解析:有
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