Rectangle.java

public class Rectangle extends Shape {
    public final float height;
    public final float width;

    private Rectangle(Color color, String name, float height, float width) {
        super(color, name);
        this.height = height;
        this.width = width;
    }

    public static class Builder extends Shape.Builder<Rectangle.Builder> {
        private float height;
        private float width;

        public Builder height(float height) {
            this.height = height;
            return this;
        }

        public Builder width(float width) {
            this.width = width;
            return this;
        }

        @Override
        public Rectangle build() {
            return new Rectangle(this.color, this.name, this.height, this.width);
        }
    }

    @Override
    public String toString() {
        return "Rectangle: name = " + name + ", color = " + color + ", height = " + height + ", width = " + width;
    }
}