NEED PART 3 & PART 4. JAVA CODE

There was a typo in the diagram of Part 4. ( class Circle, Rectangle, and Square are normal classes, and class shape is an abstract class)

getArea() and getCircumference() are abstract methods in abstract class shape, and you need to implement them in class Circle, Rectangle, and Square.

Project 2-part 1 1. In the following picture, you can see the diagram of class circle. Design class Circle with the following information: Circle tvarName: type-default-value denotes private access -radius: double-1.0 -color: String "green" denotes public access label: String al +Circle0 Overloaded constructors +Circle(r: double) +Circle double, c string, l:strin +getRadius 0: double +methodName ame: +getArea0: double type, return Type +getCircumference 0: double +getLabel0: string +setLabel(l: string) void Class Circle contains: three instance variables radius: it is a private instance variable ofthe type double, with default value of 1.0. color it is a private instance variable of the type String), with default value of"green". label: it is a public instance variable of the type String), with default value of"groupl