In Java: implements Runnable vs extends Thread — which to choose?

Hello everyone! I started learning multithreading in Java and got confused about a basic point. We create threads in two ways: either by extending the Thread class or by implementing the Runnable interface. Both seem to work, but I don't understand the fundamental difference and which way is considered correct. For example, I wrote this code: ```java // Way 1: extends Thread class MyThread extends Thread { public void run() { System.out.println("Thread is running: " + Thread.currentThread().getName()); } } // Way 2: implements Runnable class MyRunnable implements Runnable { public void run() { System.out.println("Thread is running: " + Thread.currentThread().getName()); } } public class Main { public static void main(String[] args) { MyThread t1 = new MyThread(); t1.start(); Thread t2 = new Thread(new MyRunnable()); t2.start(); } } ``` Both options give the same result. But I heard that implements