单项选择题
What can directly access and change the value of the variable name？（）
A.any class B.only the Target class C.any class in the test package D.any class that extends Target
单项选择题 Which statement is true about the classes and interfaces？（）
多项选择题 Which two classes use the Shape class correctly？（）
单项选择题 What is the result？（）
