Implement a super class Person. Make two classes, Student and instructor, 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, the constructors, and the methods toString() and equals() for all classes. Supply a test program that test these classes and methods. In the test class, use your imaginations to create person objects, students objects and instructor objects. Print these objects and compare them. Please note that part of the output is shown below only