(Ticketing) small practice thread

. 1  Package com.ccp.Lc0814;
 2  
. 3  public  class Ticket {
 . 4      char C; // user 
. 5      Boolean IS = to false ;
 . 6      public the synchronized void ticket1 ( char C) throws InterruptedException {
 . 7          IF ( IS ) {
 . 8              the System. OUT . the println ( " tickets, the ticket Kuaiqiang ... " );
 . 9              the wait ();
 10          }
 . 11          the this .c =C;
 12 is          IS = to true ;
 13 is          . the System OUT .println ( " immediately grab votes, Run Next !!! " + the this .c);
 14          Notify ();
 15      }
 16      public the synchronized char ticket2 () throws InterruptedException {
 17          IF (! IS ) {
 18              System. OUT .println ( " look I vote there is no ... " );
 19              the wait ();
 20          }
 21          System.out.println("抢到了，Happly!!!"+c);
22         is=false;
23         notify();
24         return c;
25     }
26 }
27 ———————————————————————————————————————
28 package com.ccp.Lc0814;
29 
30 public class TicketConsumer implements Runnable{
31 Ticket ticket;
32 
33     public TicketConsumer(Ticket ticket) {
34         this.ticket=ticket;
35     }
36 
37     public TicketConsumer() {
38     }
39 
40     @Override
41     public void run() {
42         char c='A';
43         do {
44         try {
45             Thread.sleep(1000);
46             c=ticket.ticket2();
47         } catch (InterruptedException e) {
48             e.printStackTrace();
49         }
50         }while (c!='D');
51     }
52 }
53 ————————————————————————————————————————
54 package com.ccp.Lc0814;
55 
56 public class TicketProducer implements Runnable{
57     Ticket ticket;
58 
59     public TicketProducer() {
60     }
61 
62     public TicketProducer(Ticket ticket) {
63         this.ticket=ticket;
64     }
65 
66     @Override
67     public void run() {
68         for (char c='A'; c<='D'; c++) {
69             try {
70                 Thread.sleep(1000);
71                 ticket.ticket1(c);
72             } catch (InterruptedException e) {
73                 e.printStackTrace();
74             }
75         }
76     }
77 }
78 ————————————————————————————————————————
79 package com.ccp.Lc0814;
80 
81 public class TicketStart {
82     public static void main(String[] args) {
83         Ticket ticket=new Ticket();
84         TicketConsumer ticketConsumer=new TicketConsumer(ticket);
85         TicketProducer ticketProducer=new TicketProducer(ticket);
86         Thread thread1=new Thread(ticketConsumer);
87         Thread thread2=new Thread(ticketProducer);
88         thread1.start();
89         thread2.start();
90     }
91 
92 
93 }