Call Stack Example

/**
 * 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();
    }
}