• Java Thread Class is a piece of the program execution
• Java has multithreading facility.
• It allows multiple works(threads) to run at a time
• It is created by extending the Thread class or implementing Runnable interface

public class thread1 extends Thread {
	@Override
	public void run() {
		for (int i = 1; i < 4; i++) {
			System.out.println("This is thread  " + i);
		}
	}

	public static void main(String[] args) {
		thread1 t1 = new thread1();
		t1.start();
	}
}

Output

This is thread  1
This is thread  2
This is thread  3

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