单项选择题
Given： What is the result？（）
A.An exception is thrown at runtime. B.Compilation fails because of an error in line 7. C.Compilation fails because of an error in line 4. D.Compilation succeeds and no runtime errors with class A occur.
单项选择题 Given： What is the result？（）
多项选择题 Given： Which two methods， inserted independently at line 17， correctly complete the Sales class？（）
多项选择题 Given： Which three methods， inserted individually at line 14， will correctly complete class Two？（）
