Java多线程编程，模拟售票

package ticktester;

02	class Ticket{

03	private int ticketCount;

04

05	public Ticket(int ticketCount){

06	this.ticketCount = ticketCount;

07

}

08

09	public synchronized void withBuyTicket(int amount){

10	int currentTicketAmount = ticketCount;

11

12	System.out.println("\n目前票数:"+currentTicketAmount);

13	if(currentTicketAmount==0)

14

{

15	System.out.println("票已全部售出！");

16

return;

17

}

18	if(amount>currentTicketAmount)

19

{

20	System.out.println("需售出票数: "+amount+" 剩下票数为: "+currentTicketAmount+" 剩余票数不足 !");

21

}

22

else

23

{

24	currentTicketAmount = currentTicketAmount-amount;

25	System.out.println("售出票数:"+amount+" 剩余票数: "+currentTicketAmount);

26	ticketCount = currentTicketAmount;

27

}

28

}

29

}

30

31	class BuyTicket implements Runnable{

32	private Ticket t;

33	private int amount;

34

35	public BuyTicket(Ticket t,int amount){

36	this.t = t;

37	this.amount = amount;

38

}

39

40	public void run(){

41

try {

42	Thread.sleep(((int)(Math.random()*10000)));

43	} catch (InterruptedException e) {

44	e.printStackTrace();

45

}

46	t.withBuyTicket(amount);

47

}

48

}

49

50	public class TickTester {

51

52

/**

53	* @param args

54

*/

55	public static void main(String[] args) {

56	// TODO Auto-generated method stub

57	Ticket t = new Ticket(10);

58	BuyTicket a1 = new BuyTicket(t,2);

59	BuyTicket a2 = new BuyTicket(t,2);

60	BuyTicket a3 = new BuyTicket(t,1);

61	BuyTicket a4 = new BuyTicket(t,1);

62	BuyTicket a5 = new BuyTicket(t,2);

63	BuyTicket a6 = new BuyTicket(t,3);

64	Thread tk1 = new Thread(a1);

65	Thread tk2 = new Thread(a2);

66	Thread tk3 = new Thread(a3);

67	Thread tk4 = new Thread(a4);

68	Thread tk5 = new Thread(a5);

69	Thread tk6 = new Thread(a6);

70	tk1.start();

71	tk2.start();

72	tk3.start();

73	tk4.start();

74	tk5.start();

75	tk6.start();

76

}

77

}