Which statement is true?() A: This code can throw an InterruptedException. B: This code can throw an IllegalMonitorStateException. C: This code can throw a TimeoutException after ten minutes. D: Reversing the order of obj.wait() and obj.notify() might cause this method to complete normally. E: A call to notify() or notifyAll() from another thread might cause this method to complete normally. F: This code does NOT compile unless "obj.wait()" is replaced with "((Thread) obj).wait()".
Which statement is true?() A: This code can throw an InterruptedException. B: This code can throw an IllegalMonitorStateException. C: This code can throw a TimeoutException after ten minutes. D: Reversing the order of obj.wait() and obj.notify() might cause this method to complete normally. E: A call to notify() or notifyAll() from another thread might cause this method to complete normally. F: This code does NOT compile unless "obj.wait()" is replaced with "((Thread) obj).wait()".
以下装箱、拆箱语句中,错误的有() A: object obj=100; int m=(int)obj; B: object obj=100; int m=obj; C: object obj=(int)100; int m=(int)obj; D: object obj=(object)100; int m=(int)obj;
以下装箱、拆箱语句中,错误的有() A: object obj=100; int m=(int)obj; B: object obj=100; int m=obj; C: object obj=(int)100; int m=(int)obj; D: object obj=(object)100; int m=(int)obj;
以下哪条JS语句会产生运行错误? A: var obj = {} ; B: var obj = () ; C: var obj = [] ; D: var obj = // ;
以下哪条JS语句会产生运行错误? A: var obj = {} ; B: var obj = () ; C: var obj = [] ; D: var obj = // ;
返回对象obj在List集合中出现的位置索引的方法是哪个() A: intindexOf(obj) B: intget(obj) C: intindex(obj) D: intindexof(obj)
返回对象obj在List集合中出现的位置索引的方法是哪个() A: intindexOf(obj) B: intget(obj) C: intindex(obj) D: intindexof(obj)
以下哪项可以实现对象的定义? A: var obj=[]; B: var obj={}; C: var obj=new Object(); D: var obj=123;
以下哪项可以实现对象的定义? A: var obj=[]; B: var obj={}; C: var obj=new Object(); D: var obj=123;
_______ you please _______ a minute ? A: Would…wait B: Do…wait C: Shall…wait D: May…wait
_______ you please _______ a minute ? A: Would…wait B: Do…wait C: Shall…wait D: May…wait
He didn’t know () or go home. A: if to wait B: to wait C: whether to wait D: either to wait
He didn’t know () or go home. A: if to wait B: to wait C: whether to wait D: either to wait
He didn't know or go home. A: to wait B: if that he should wait C: if to wait D: whether to wait
He didn't know or go home. A: to wait B: if that he should wait C: if to wait D: whether to wait
10. I am pretty busy today. There are so many customers to . A: wait on B: wait with C: wait for D: wait
10. I am pretty busy today. There are so many customers to . A: wait on B: wait with C: wait for D: wait
I’ll be home late, so please don’t ____me. A: wait up for B: wait to C: wait at D: wait on
I’ll be home late, so please don’t ____me. A: wait up for B: wait to C: wait at D: wait on