java基础题目程序求讲解

Question

初学java，求讲解分析

Answer 1

The output result of the candidate should be
B's m1, A's m2, A's m3
B's m1, A's m2, C's m3 13
A's m1, A's m2, C's m3 13
B's m1, A's m2, C's m3 13
right?
B inherits A and overloads A's m1 method, and other methods are the same as A; C inherits B and overloads B's m3 method (that is, overloads A's m3 method), and other methods are the same as B's The method is the same.