java-design-patterns/double-dispatch/src/main/java/com/iluwatar/Rectangle.java

package com.iluwatar;

/**
 * 
 * Rectangle has coordinates and can be checked for overlap against
 * other Rectangles.
 *
 */
public class Rectangle {

	private int left;
	private int top;
	private int right;
	private int bottom;

	public Rectangle(int left, int top, int right, int bottom) {
		this.left = left;
		this.top = top;
		this.right = right;
		this.bottom = bottom;
	}
	
	public int getLeft() {
		return left;
	}
	public int getTop() {
		return top;
	}
	public int getRight() {
		return right;
	}
	public int getBottom() {
		return bottom;
	}	
	
	boolean intersectsWith(Rectangle r) {
		return !(r.getLeft() > getRight() || r.getRight() < getLeft() || r.getTop() > getBottom() || r.getBottom() < getTop());
	}
	
	@Override
	public String toString() {
		return String.format("[%d,%d,%d,%d]", getLeft(), getTop(), getRight(), getBottom());
	}
}