单项选择题
What is the result？（）
A.3 B.23 C.32 D.123 E.321 F.Compilation fails. G.An exception is thrown at runtime.
单项选择题 What is the result？（）
多项选择题 Which four code fragments， inserted independently at line 7， will compile？（）
多项选择题 Which four statments are true？（）
