Java Certification

The Complete Java Certification Course

Create your first Java application | IntelliJ IDEA

Task 1: JAVAWrite the superclass Shape and its subclasses Circle, Rectangle, and Square, as shown in the class diagram.In this exercise, Shape shall be defined as an abstract class, which contains:Two protected instance variables: color (String) and filled (boolean). The protected variables can be accessed by its subclasses and classes in the same package. They are denoted with a '#' sign in the class diagram.Getter and setter for all the instance variables, and toString().Two abstract methods: