单项选择题
What is the result？（）
A.three B.other C.An exception is thrown at runtime. D.Compilation fails because of an error on line 12. E.Compilation fails because of an error on line 13. F.Compilation fails because of an error on line 15.
单项选择题 What is the result？（）
单项选择题 Which code fragment， inserted at line 24， outputs "123abc 123abc"？（）
单项选择题 Which code， inserted at line 14， sets the value of b to 314.159，26？（）
