Question

DO THIS PROGRAM IN JAVA Write a complete Java console based program following these steps: 1. Write an abstract Java class called Shape which has only one abstract method named getArea(); 2. Write a Java class called Rectangle which extends Shape and has two data membersnamed width and height.The Rectangle should have all get/set methods, the toString method, and implement the abstract method getArea()it gets from class Shape. 3. Write the driver code tat tests the classes and methods you write above.

Answer 1

public abstract class Shape {
    abstract double getArea();
}

public class Rectangle extends Shape{
    private int width;
    private int height;

    public Rectangle(int width, int height) {
        this.width = width;
        this.height = height;
    }

    public int getWidth() {
        return width;
    }

    public void setWidth(int width) {
        this.width = width;
    }

    public int getHeight() {
        return height;
    }

    public void setHeight(int height) {
        this.height = height;
    }

    double getArea() {
        return width*height;
    }

    public String toString() {
        return "Rectangle{" +
                "width=" + width +
                ", height=" + height +
                '}';
    }
}

import java.util.Scanner;

public class TestCode {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter width: ");
        int width = scanner.nextInt();
        System.out.print("Enter height: ");
        int height = scanner.nextInt();

        Rectangle rectangle = new Rectangle(width, height);

        System.out.println("Width = "+rectangle.getWidth());
        System.out.println("Height = "+rectangle.getHeight());
        System.out.println("Area = "+rectangle.getArea());
        System.out.println(rectangle);
    }
}