oop java

Show reservindow Fastion Zoom Window (2) Assume that you have the below UML diagram, where the Employee class is an abstract class. Employee (abstract) - name: String - paymentPerHour: int + calculate Salary(abstract); int Extends Extends Contractor FullTimeEmployee + working Hours: int + working Hours: int calculate Salary: int + calculate Salary: int Write a program to do the following: A- For the Employee Class: 1- A parametrized constructor to initialize name and paymentPer Hour, 2- abstract method calculate Salary(); 3- setters and getters for name and paymentPer Hour (1 mark) B- for the Contractor Class: 1- A parametrized constructor to initialize name and paymentPerHour, and working Hours. 2- Override the method calculate Salary() to compute the Salary (2 mark) C- For the FullTimeEmployee Class 1- A parametrized constructor to initialize name and paymentPerHour (note the working hours for fulltime employee is 8). 2- Override the method calculate Salary() to compute the Salary.(2 marks) D- Perform the following in the Main class: (1 mark) a. Define an object named Objl of type Employee( record your notes) b. Define an object named Obj2 of type contractor, and set the values of its data members and Print the salary of Obj2. c. Define an object named Obj3 of type FullTimeEmployee, and set the values of its data members and Print the salary of obj3