Ways to create Threads

There are two ways to create threads

Extending the Thread class
Implementing the Runnable interface

Extending the Thread Class

The following is the example of creation of a new thread by extending the Thread Class.

public class CreationOfThread extends Thread {

	public static void main(String[] args) {
		Thread thread=new CreationOfThread();
		thread.start();
	}
	
	public void run()
	{
		System.out.println("New thread started Running");
	}

}

Implementing the Runnable interface

The following is the example of creation of a new thread by implements Runnable Interface.

public class CreationOfThread implements Runnable {

	public static void main(String[] args) {
		CreationOfThread cot=new CreationOfThread();
		Thread thread=new Thread(cot);
		thread.start();
	}
	
	public void run()
	{
		System.out.println("New thread started Running");
	}

}

The above example shows how to create and start a thread. But when we calls start method, which eventually invokes a native method of a thread class and native method gives us a new thread. This native method implementation may vary from one O/S to other.

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