Test5：Java中的对象交互测试题

问题 1
Look the inheritance relation:
In a source of java have the following line:

woman w = new man();

What statement are corrected?
A. The expresion is legal
B. Compile corrected but running wrong
C.Will construct a woman’s object
D. the expression is illegal
答案：
D

问题 2
请阅读以下代码，请选择输出正确的结果：

class Person{
   
    private String