public class Rectangle {

	private int width;
	private int height;

	//No-arg Constructor (which is called when we do "new Rectangle()"
	public Rectangle() {
		//Constructing a Rectangle: 0 by 0
		this.width = 0;
		this.height = 0;
	}

	public Rectangle(int aWidth, int aHeight) {
		//Constructing a Rectangle: aWidth by aHeight
		this.width = aWidth;
		this.height = aHeight;
	}

	public Rectangle(int aDimension) {
		//Constructing a Square: aDimension by aDimension
		//A square is  special type of rectangle
		this.width = aDimension;
		this.height = aDimension;
	}

	public void setSmall() {
		//Set ivars to arbritrary small values
		width = 5;
		height = 1;
	}

	public void setLarge() {
		//Set ivars to arbritrary small values
		width = 100;

		height = 50;
	}

	//------------------------------------------
	//Getters

	public int getWidth() {
		return width;
	}

	public int getHeight() {
		return height;
	}

	//------------------------------------------
	//Setters

	public void setWidth(int aWidth) {
		width = aWidth;
	}

	public void setHeight(int aHeight) {
		height = aHeight;
	}

	//------------------------------------------
	//Common

	public String toString() {
		//Return a "nice" display string
		return "" + width + " x " + height;
	}

	//------------------------------------------

	public void setDimensions(int aWidth, int aHeight) {
		width = aWidth;
		height = aHeight;
	}

	public void growBy(int amount) {
		width = width + amount;
		height = height + amount;
	}

	public void growBy(int widthAmount, int heightAmount) {
		width = width + widthAmount;
		height = height + heightAmount;
	}

}