Question

菜鸟中的菜鸟求助一道关于java继承的题目

实现一个超类person，制作两个类student instructor，这两个类可以从超类继承。一个person有名字和出生年份，一个student有主修科目(major),一个instructor有收入（salary）. 为每一个类写一个构造器并且写一个分类定义。 并且写一个测试程序来测试每一个类和方法。

Implement a superclass Person. Make two classes, Student and Instructor, that inherit from
Person. A person has a name and a year of birth. A student has a major, and an instructor has
a salary. Write the class definitions and the constructors for all classes. Supply a test program
that tests these classes and methods.

Answer 1

class Person
{
String name=null;
int year;
Person(){};

}
class Student extends Person
{
String major;
Student(){};
}
class Instructor extends Person
{
int salary;
Instructor(){};
}
class Test
{
public void static main(String[] args)
{
//you can test here
}
}

Answer 2

你已经是菜鸟中的菜鸟中的精英的精英了，哈哈，我都看不懂那是什么。