单项选择题
Click the Exhibit button. Given: ClassA a = new ClassA(); a.methodA(); What is the result? （）
A.Compilation fails. B.ClassC is displayed. C.The code runs with no output. D.An exception is thrown at runtime.
单项选择题 Given: What is the result?（）
单项选择题 Given: If some sort of exception is thrown at line 34, which output is possible?（）
单项选择题 Given: Which code, inserted at line 16, will cause a java.lang.ClassCastException?（）
