class Box {
	// fields

	int dimension = 0;  // initialize to 0

		

	// constructors
	public Box() {
		System.out.println("firing off constructor");
	}
	
	public Box(int dimension) {
		System.out.println(this);
		this.dimension = dimension;
	}

	public Box(int w, int h) {
		System.out.printf("height: %d width: %d\n", h, w);
	}
}