Multi-thread synchronization code block

Source: Internet
Author: User
Tags ticket

Class Mythreadimplements runnable{

private int ticket = 6;

@Override

public void Run () {

for (int i = 0;i < 10;i++) {

synchronized (this) {// Sync code block

if (this.ticket>0) {

try{

Thread.Sleep (1000); Thread Hibernation

}catch (Interruptedexception e) {

E.printstacktrace ();

}

System.out.println (Thread.CurrentThread (). GetName ()

                                                                 +" Sell tickets, ticket = "+this.ticket--");

}

}

}

}

}

Public Classtestdemo {

public static void Main (string[] args) {

MyThread MT = new MyThread ();

new Thread (MT, " thread A"). Start ();// thread naming

new Thread (MT, " thread B"). Start ();

new Thread (MT, " thread C"). Start ();

new Thread (MT, " thread D"). Start ();

new Thread (MT, " thread E"). Start ();

}

}

Synchronization method:

Class Mythread2implements runnable{

private int ticket = 6;

@Override

public void Run () {

for (int i = 0;i < 10;i++) {

This.sale ();

}

}

Public synchronized void Sale () {

if (This.ticket > 0) {

try {

Thread.Sleep (100);

} catch (Interruptedexception e) {

E.printstacktrace ();

}

System.out.println (Thread.CurrentThread (). GetName () + " sell ticket,ticket =" +this. Ticket);

ticket--;

}

}

}

Public ClassTestDemo2 {

public static void Main (string[] args) {

MyThread2 MT = newMyThread2 ();

New Thread (MT, " scalper A"). Start ();

New Thread (MT, " scalper B"). Start ();

New Thread (MT, " scalper C"). Start ();

New Thread (MT, " scalper D"). Start ();

New Thread (MT, " scalper E"). Start ();

}

}


Multi-thread synchronization code block

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