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public class TicketWindow {
 public static void main(String args[]) {
  Ticket ticket = new Ticket();
  Thread w1 = new Thread(ticket, "1ºÅÊÛÆ±´°¿Ú");
  Thread w2 = new Thread(ticket, "2ºÅÊÛÆ±´°¿Ú");
  Thread w3 = new Thread(ticket, "3ºÅÊÛÆ±´°¿Ú");
  Thread w4 = new Thread(ticket, "4ºÅÊÛÆ±´°¿Ú");
  w1.setPriority(Thread.NORM_PRIORITY);
  
  w2.setPriority(Thread.NORM_PRIORITY);
  w3.setPriority(Thread.NORM_PRIORITY);
  w4.setPriority(Thread.NORM_PRIORITY);
  
w1.start();
w2.start();
w3.start();
w4.start();
 }
}
ÒÔÏÂÊÇticketÀ࣬¿ØÖÆ´°¿Ú³öƱµÄÂß¼­
public class Ticket implements Runnable {
 private int ticketNumber = 1;
 public void sellTicket() {
  while (ticketNumber++ < 100) {
   synchronized (this) {
    System.out.println(Thread.currentThread().getName() + "ÕýÔÚÊÛ³öµÚ"
      + ticketNumber + "ÕÅÆ±");
   }
  }
 }
 public void run() {
  sellTicket();
 }
 }
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public class Ticket implements Runnable {
 private int ticketNumber = 1;
 public void sellTicket() {
  while (ticketNumber < 100) {//ƱºÅµÝÔö²Ù×÷Ó¦ÊôÓÚÁÙ½çÇø£¬Ðë·ÅÔÚsynchronizedÓï¾ä¿éÄÚ /
   synchronized (this) {
    if (ticketN


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