試題詳解

and: 

31. void go() throws Exception{ 

32. Thread t = new Thread(new Triangle())；

 33. t.start()； 

34. for(int x=1； x＜100000； x++){ 

35. //insert code here 

36. if(x%100 == 0) System.out.print("g")； 

37. }} 

38. public void run(){

 39. try{

 40. for(int x=1； x＜100000； x++){

 41. //insert the same code here 

42. if(x%100 == 0) System.out.print("t")； 

43. }

 44. }catch(Exception e){} 

45. }

 Which two statements, inserted independently at both lines 35 and 41, tend to allow both threads to temporarily pause and allow the other thread to execute? (Choose two.)
(A) Thread.wait()；
(B) Thread.join()；
(C) Thread.yield()；
(D) Thread.sleep(1)；
(E) Thread.notify()；