/** * A class used to illustrate how the call stack works. */ public class CallStackExample { public static void main(String[] args) { int x = 7, y = 8; String dairy = "milk", soda = "cola"; SimpleMug mug1 = new SimpleMug(y, dairy); SimpleMug mug2 = new SimpleMug(x, soda); mug1.fill(x); y = mug2.getMaxCapacity(); } }