Rect r1 = new Rect(1, 1, 4, 4); // Create Rect objects
Rect r2 = new Rect(2, 3, 5, 6);
Rect u = r1.union(r2); // Invoke Rect methods
Rect i = r2.intersection(r1);
if (u.isInside(r2.x1, r2.y1)) // Use Rect fields and invoke a method
System.out.println("(" + r2.x1 + "," + r2.y1 + ") is inside the union");
// These string concatenations implicitly call the Rect.toString() method
System.out.println(r1 + " union " + r2 + " = " + u);
System.out.println(r1 + " intersect " + r2 + " = " + i);
