Exercise2

//class Rectangle
public class Rectangle {
    private double width;
    private double height;

    public Rectangle() {
        this.width = 0;
        this.height = 0;
    }

    public Rectangle(double width, double height) {
        this.width = width;
        this.height = height;
    }
    public double perimeter(){
        double peri = 2 * this.width + 2 * this.height;
        return peri;
    }
    public double area(){
        double area = this.width * this.height;
        return area;
    }

    @Override
    public String toString() {
        return "Recrangle: " +
                "Width= " + width +
                ", Height= " + height +
                ", Perimeter= " + perimeter() +
                ", Area= " + area();
    }
}


//class RectangleMain
import java.util.ArrayList;
import java.util.Random;

public class RectangleMain {
    public static void main(String[] args) {
        Random rand = new Random();
        ArrayList<Rectangle> rectangles = new ArrayList<>();

        for(int i = 0; i < 10; i++){
            double rand_width = rand.nextDouble()*100;
            double rand_height = rand.nextDouble()*100;
            rectangles.add(new Rectangle(rand_width, rand_height));
        }

        for(Rectangle r: rectangles){
            System.out.println(r);
        }
    }
}