单项选择题
A.The value "4" is printed at the command line.
B.Compilation fails because of an error in line 5.
C.Compilation fails because of an error in line 9.
D.A NullPointerException occurs at runtime.
E.A NumberFormatException occurs at runtime.
F.An IllegalStateException occurs at runtime.
单项选择题 Given： What is the result？（）
单项选择题 Click the Exhibit button. Given： Which statement is true if a TestException is thrown on line 3 of class B？（）
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？（）
