Explain different ways of thread?

Threads can be used by either :
 Extending the Thread class
 Implementing the Runnable interface

Examples::

class Counter extends Thread {
//method where the thread execution will start
public void run(){
//logic to execute in a thread
}
//let’s see how to start the threads
public static void main(String[] args){
Thread t1 = new Counter();
Thread t2 = new Counter();
t1.start(); //start the first thread. This calls the run() method.
t2.start(); //this starts the 2nd thread. This calls the run() method.
}
}

class Counter extends Base implements Runnable {
//method where the thread execution will start
public void run(){
//logic to execute in a thread
}
//let us see how to start the threads
public static void main(String[] args){
Thread t1 = new Thread(new Counter());
Thread t2 = new Thread(new Counter());
t1.start(); //start the first thread. This calls the run() method.
t2.start(); //this starts the 2nd thread. This calls the run() method.
}
}

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