单项选择题
What is the result？（）
A.end B.Compilation fails. C.exception end D.exception test end E.A Throwable is thrown by main. F.An Exception is thrown by main.
单项选择题 What is the result？（）
单项选择题 If class Donkey2 is invoked twice， the first time without assertions enabled， and the second time with assertions enabled， what are the results？（）
