Friday, 2 December 2016

Java Tutorial : Java Threads (How to get the currentThread)


Click here to watch in Youtube : 
https://www.youtube.com/watch?v=H_1bepEkh18&list=UUhwKlOVR041tngjerWxVccw

DisplayThread.java
public class DisplayThread extends Thread
{

    public DisplayThread(String threadName)
    {
        super(threadName);
    }

    public static void main(String[] args)
    {
        DisplayThread displayThread1 = new DisplayThread("DisplayThread-1");
        displayThread1.start();

        DisplayThread displayThread2 = new DisplayThread("DisplayThread-2");
        displayThread2.start();

    }

    public void run()
    {
        /*
         * Returns a reference to the currently executing
         * thread object.
         */
        Thread thread = Thread.currentThread();
        String threadName = thread.getName();
        System.out.println("Run by = " + threadName);
    }
}
Output
Run by = DisplayThread-1
Run by = DisplayThread-2

HelloRunnable.java
/*
 * public Thread(Runnable target, String name)
 * 
 * Parameters:
 * -----------
 * 
 * target - the object whose run method is invoked when
 * this thread is started. If null, this thread's run
 * method is invoked.
 * 
 * name - the name of the new thread
 */

public class HelloRunnable implements Runnable
{

    public static void main(String args[])
    {
        HelloRunnable helloRunnable1 = new HelloRunnable();
        Thread thread1 = new Thread(helloRunnable1, "HelloRunnableThread-1");
        thread1.start();        
        
        HelloRunnable helloRunnable2 = new HelloRunnable();
        Thread thread2 = new Thread(helloRunnable2, "HelloRunnableThread-2");
        thread2.start();    
    }

    @Override
    public void run()
    {
        /*
         * Returns a reference to the currently executing
         * thread object.
         */
        Thread thread = Thread.currentThread();
        String threadName = thread.getName();
        System.out.println("Run by = " + threadName);
    }
}
Output
Run by = HelloRunnableThread-1
Run by = HelloRunnableThread-2

Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/Thread_CurrentThread_app.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/Thread_CurrentThread_app

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/5edb9b935a4ef60d2a672d03f038390cd08d4eb7/BasicJava/Thread_CurrentThread_app/?at=master

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