单项选择题
Given: What is the result when the go() method is invoked?（）
A.00 B.0001 C.000120 D.00012021 E.Compilation fails. F.An exception is thrown at runtime.
单项选择题 Given: What is the result?（）
单项选择题 Given: If class Donkey is invoked twice, the first time without assertions enabled, and the second time with assertions enabled, what are the results?（）
