Understanding the Thread Priority in Java

package threadpriority;

public class ThreadPriorityExample extends Thread {

	public ThreadPriorityExample(String name) {
		super(name); // Set the name of the thread
	}

	@Override
	public void run() {
		for (int i = 0; i < 5; i++) {
			System.out.println(this.getName() + " with priority " 
					+ this.getPriority() + " Loop " + i);
			try {
				Thread.sleep(500); // Sleep for a half second
			} catch (InterruptedException e) {
				System.err.println(this.getName() + " interrupted.");
			}
		}
		System.out.println(this.getName() + " finished.");
	}

	public static void main(String[] args) {
		ThreadPriorityExample t1 = new ThreadPriorityExample("Low Priority Thread");
		ThreadPriorityExample t2 = new ThreadPriorityExample("Normal Priority Thread");
		ThreadPriorityExample t3 = new ThreadPriorityExample("High Priority Thread");

		// Set priorities for all threads
		t1.setPriority(Thread.MIN_PRIORITY);
		t2.setPriority(Thread.NORM_PRIORITY);
		t3.setPriority(Thread.MAX_PRIORITY);

		// Start threads
		t1.start();
		t2.start();
		t3.start();
	}
}

Low Priority Thread with priority 1 Loop 0
Normal Priority Thread with priority 5 Loop 0
High Priority Thread with priority 10 Loop 0
Low Priority Thread with priority 1 Loop 1
Normal Priority Thread with priority 5 Loop 1
High Priority Thread with priority 10 Loop 1
Normal Priority Thread with priority 5 Loop 2
Low Priority Thread with priority 1 Loop 2
High Priority Thread with priority 10 Loop 2
High Priority Thread with priority 10 Loop 3
Normal Priority Thread with priority 5 Loop 3
Low Priority Thread with priority 1 Loop 3
Normal Priority Thread with priority 5 Loop 4
Low Priority Thread with priority 1 Loop 4
High Priority Thread with priority 10 Loop 4
High Priority Thread finished.
Normal Priority Thread finished.
Low Priority Thread finished.