• 2022-06-03 问题

    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()".

  • 2022-07-25 问题

    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;

  • 2022-06-19 问题

    ‌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 = // ;

  • 2022-07-22 问题

    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)

  • 2022-06-19 问题

    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;

  • 2022-06-07 问题

    _______ 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

  • 2022-06-06 问题

    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

  • 2022-06-06 问题

    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

  • 2022-06-06 问题

    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

  • 2022-05-28 问题

    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

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