Method getInstance

java/Chapter 8/Question8_2/CallHandler.java:55–60

()

    
    /* Get instance of singleton class. */
    public static CallHandler getInstance() {
    	if (instance == null) {
    		instance = new CallHandler();
    	}
    	return instance;
    }
    
    /* Gets the first available employee who can handle this call. */
    public Employee getHandlerForCall(Call call) {