Prog.kiev.ua

Rectangle

class Rectangle {
    private int height;
    private int weight;

    Rectangle(int height, int weight) {
        checkParameters(height, weight);
        this.height = height;
        this.weight = weight;
    }

    public void perRectagle() {
        int x = 2 * (height + weight);
        System.out.println("Perimeter is : " + x);
    }

    public int squareRectangle() {
        return height * weight;
    }

    private void checkParameters(int height, int weight) {
        if (height < 0 || weight < 0) {
            throw new IllegalArgumentException("Illegal parameters");
        }
    }
}

RectangleRunner

public class RectangleRunner {
    public static void main(String[] args) {
        ArrayList<Rectangle> list = new ArrayList<>();
        Rectangle rect3 = new Rectangle(7, 15);
        Rectangle rect2 = new Rectangle(4, 14);
        Rectangle rect1 = new Rectangle(8, 19);
        list.add(rect1);
        list.add(rect2);
        list.add(rect3);
        
        rect1.perRectagle();

        System.out.println("Sum is " + getSum(list));

    }

    private static int getSum(ArrayList<Rectangle> list) {
        int areaSum = 0;
        for (Rectangle aList : list) {
            areaSum = areaSum + aList.squareRectangle();
        }
        return areaSum;
    }
}