Question

Does anyone know about threads in JAVA?

Answer 1

Yes. What's your question?

Answer 2

I need to know how they are created and how they can be manipulated

Answer 3

The second way to specify what code a thread should run is by creating a class that implements java.lang.Runnable. The Runnable object can be executed by a Thread. To have the run() method executed by a thread, pass an instance of MyRunnable to a Thread in its constructor. Here is how that is done:



Creating and Starting Java Threads - Tutorials - Jenkov.com



tutorials.jenkov.com/java-concurrency/creating-and-starting-threads.html

Answer 4

You'll find the basics in the tutorial posted by @Daenio. For further reading i recommend you to read this entire tutorial about java concurrency as well:
http://docs.oracle.com/javase/tutorial/essential/concurrency/index.html

You'll learn a lot of important and usefull things like synchronization, imutable objects, locks, and thread pools.