package booksuspend11;

class MyThread implements Runnable
{
    Thread thrd;

    volatile boolean suspended;
    volatile boolean stopped;

    MyThread(String name)
    {
        thrd = new Thread(this, name);
        suspended = false;
        stopped = false;
        thrd.run();
    }

    public void run()
    {
        System.out.println(thrd.getName() + " is starting.");
        try
        {
            for(int i = 1; i < 1000; i++)
            {
                System.out.println(i + " ");
                if((i%10) == 0)
                {
                    System.out.println();
                    Thread.sleep(250);
                }
            }

            synchronized(this)
            {
                while(suspended)
                {
                    wait();
                    
                }
                if(stopped) break;  // ****ERR: Break outside switch or loop.****
            }
        }
        catch(InterruptedException exc)
        {
            System.out.println(thrd.getName() + " interrupted.");
        }
        System.out.println(thrd.getName() + " exiting.");
    }

    synchronized void mystop()
    {
        stopped = true;
        suspended = false;
        notify();
    }

    synchronized void mysuspend()
    {
        suspended = true;
    }

    synchronized void myresume()
    {
        suspended = false;
        notify();
    }
}
public class Suspend
{

    public static void main(String[] args)
    {
        MyThread obl = new MyThread("MyThread");

        try
        {
            Thread.sleep(1000);

            obl.mysuspend();
            System.out.println("Suspending thread.");
            Thread.sleep(1000);

            obl.myresume();
            System.out.println("Resuming thread.");
            Thread.sleep(1000);


            obl.mysuspend();
            System.out.println("Suspending thread.");
            Thread.sleep(1000);

            obl.myresume();
            System.out.println("Resuming thread.");
            Thread.sleep(1000);

            obl.mysuspend();
            System.out.println("Stopping thread.");
            obl.mystop();
        }
        catch(InterruptedException exc)
        {
            System.out.println("Main thread interrupted.");
        }

        try
        {
            obl.thrd.join();
        }
        catch(InterruptedException exc)
        {
            System.out.println("main thread interrupted.");
        }
        System.out.println("Main thread exiting.");
    }
    
}

    MyThread(String name)
    {
        thrd = new Thread(this, name);
        suspended = false;
        stopped = false;
        thrd.run();   // <----- this just calls your run method as any other method
    }

    MyTread mt = new MyTread();
    Thread t = new Thread(mt);
    t.start();

class MyThread extends Thread {
...
then in Suspend
...
MyThread t = new MyThread();
t.start();