LAB 15 - THREAD STATES

EXAMPLE: THREAD STATES

class thread implements Runnable

{

    public void run()

    {

        // moving thread2 to timed waiting state

        try

        {

            Thread.sleep(1500);

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }

        

        try

        {

            Thread.sleep(1500);

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }

        System.out.println("State of thread1 while it called join() method on thread2 -"+

            Test.thread1.getState());

        try

        {

            Thread.sleep(200);

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }   

    }

}

public class Test implements Runnable

{

    public static Thread thread1;

    public static Test obj;

    

    public static void main(String[] args)

    {

        obj = new Test();

        thread1 = new Thread(obj);

        

        // thread1 created and is currently in the NEW state.

        System.out.println("State of thread1 after creating it - " + thread1.getState());

        thread1.start();

        

        // thread1 moved to Runnable state

        System.out.println("State of thread1 after calling .start() method on it - " +

            thread1.getState());

    }

    

    public void run()

    {

        thread myThread = new thread();

        Thread thread2 = new Thread(myThread);

        

        // thread1 created and is currently in the NEW state.

        System.out.println("State of thread2 after creating it - "+ thread2.getState());

        thread2.start();

        

        // thread2 moved to Runnable state

        System.out.println("State of thread2 after calling .start() method on it - " +

            thread2.getState());

        

        // moving thread1 to timed waiting state

        try

        {

            //moving thread2 to timed waiting state

            Thread.sleep(200);

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }

        System.out.println("State of thread2 after calling .sleep() method on it - "+

            thread2.getState() );

        

        

        try

        {

            // waiting for thread2 to die

            thread2.join();

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }

        System.out.println("State of thread2 when it has finished it's execution - " +

            thread2.getState());

    }

    

}