ThreadSynchronization228 - Java Example Program

class MainClass
{
    public static void main(String arg[])
    {
        ThreadClass Thread1 = new ThreadClass("Thread1");
        ThreadClass Thread2 = new ThreadClass("Thread2");
        ThreadClass Thread3 = new ThreadClass("Thread3");
        
        Thread1.start(); // LINE A
        Thread2.start();
        Thread3.start();    
    }
}

class ThreadClass extends Thread
{
    String threadname;

    ThreadClass(String threadname)
    {
        this.threadname = threadname;
    }

    synchronized void Incrementor()
    {
        System.out.println("Incrementor method invoked by " + this.threadname);
        for (int i = 1; i < 4; i++)
        {
            System.out.println("Icremented value of i : " + i);
        }
    }

    public void run()
    {
        this.Incrementor(); // LINE B

    }
}