Question

Java- Write a class called Rectangle that inherits from Shape. Write a constructor that has length, width and colour as arguments. Define enough functions to make the class not abstract

Answer 1

abstract class Shape{
        private String color;
        public Shape(String c) {
                color=c;
        }
        public abstract double area();
        public abstract double perimeter();
        
}
class Rectangle extends Shape{
        private int height;
        private int width;
        public Rectangle(String color,int aHeight, int aWidth) {
                super(color);
                height = aHeight;
                width = aWidth;
        }
        
        @Override
        public double area() {
                return height * width;
        }
        @Override
        public double perimeter() {
                return 2 * ( height + width);
        }
        
}
public class TestShape {
        public static void main(String[] args) {
                Shape s = new Rectangle("Red", 12, 10);
                System.out.println(s.area());
                System.out.println(s.perimeter());
                
        }
}

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