Class TakeANumber

java.lang.Object

TakeANumber

public class TakeANumber
extends java.lang.Object

This class encapsulates a "take-a-number" ticket dispenser.

Method Summary

Methods

Modifier and Type	Method and Description
static TakeANumber	getInstance() Returns the singleton instance of this class.
int	takeTicket() Returns an integer representing the number of the next ticket in sequence.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

takeTicket

public int takeTicket()

Returns an integer representing the number of the next ticket in sequence.

Returns:

the next int in sequence

getInstance

public static TakeANumber getInstance()

Returns the singleton instance of this class. This method is synchronized for thread-safety.

Returns:

the instance of this class