多项选择题
Which four types of object can be thrown using the throw statement？（）
A. Error B. Event C. Object D. Exception E. Throwable F. Runtime Exception
单项选择题 What is the result？（）
单项选择题 Which statement at Point X on line 1 allows this code to compile and run？（）
单项选择题 What is the Result？（）
