/*
 * File: CyberPet.java<2>
 * Author: Java, Java, Java
 * Description: This version of the CyberPet class contains
 *  a main() method. So it can be run by typing:  java CyberPet
 */

public class CyberPet {

   // Data
    private boolean isEating = true;  // CyberPet's state
    private boolean isSleeping = false;

   // Methods
    public void eat() {       // Start eating
        isEating = true;       // Change the state
        isSleeping = false;
        System.out.println("Pet is eating");
        return;
    } // eat()

    public void sleep() {     // Start sleeping
        isSleeping = true;     // Change the state
        isEating = false;
        System.out.println("Pet is sleeping");
        return;
    } // sleep()

    public static void main (String argv[])
    {
        System.out.println("main() is starting");        // Execution starts here
        CyberPet pet1;            // Declare two references
        CyberPet pet2;
        pet1 = new CyberPet();    // Instantiate the references
        pet2 = new CyberPet();    //  by creating new objects
        pet1.sleep();             // Tell pet1 to sleep.
        pet1.eat();               // Tell pet1 to eat.
        pet2.sleep();             // Tell pet2 to sleep.
        System.out.println("main() is finished");
        return;                   // Return to the system
    } // main()
} // CyberPet