Interrompre un thread correctement

public static void main(String[] args) throws InterruptedException
{	
	Thread t = new MonObjet();
	t.start();
	
	Thread.sleep(5000);
	
	// Arrêt spécifique du Thread t
	if (!t.isInterrupted())
		t.interrupt();
	
	// Arrêt de la machine virtuelle (tous les Thread sont arrêtés)
	System.exit(0);
}

public class MonProgramme  
{  
	public static void main(String[] args)  throws InterruptedException  
	{   
		Thread t = new MonObjet();  
		t.start();  
		Thread.sleep(5000);  

		if (!t.isInterrupted())  
		{ System.out.println("1"); t.interrupt();}  
    
		if (!t.isInterrupted())  
		{ System.out.println("2"); }  
	}  
}  

public class MonObjet extends Thread  
{  
	public void run()  
	{  
		System.out.println("Le thread vient de se lancer !");  

		while(true)  
		{  
			System.out.println("Boucle");  
			try { Thread.sleep(500); }catch(Exception e){}  
		}  

		System.out.println("Le thread vient de se terminer !");  
	}  
}

public class MonProgramme  
{  
	public static void main(String[] args)  throws InterruptedException  
	{   
		Thread t = new MonObjet();  
		t.start();  
		Thread.sleep(5000);  
		t.interrupt();

	}  
}  

public class MonObjet extends Thread  
{  
	public void run()  
	{  
		try
		{
		        Librairie.boucle_infinie();
                }
		catch (InterruptedException e)
		{
			System.out.println(e.getMessage());
		}
	}  
}

What if a thread doesn't respond to Thread.interrupt?

In some cases, you can use application specific tricks. For example, if a thread is waiting on a known socket, you can close the socket to cause the thread to return immediately. Unfortunately, there really isn't any technique that works in general. It should be noted that in all situations where a waiting thread doesn't respond to Thread.interrupt, it wouldn't respond to Thread.stop either. Such cases include deliberate denial-of-service attacks, and I/O operations for which thread.stop and thread.interrupt do not work properly.

public void run()  
{  
	System.out.println("Le thread démarre !");  
	
	while (true)
	{
		System.out.println("Boucle");
		
		if (isInterrupted())
			break;
		
		/*
		try 
		{
			Thread.sleep(500);
		} 
		catch (InterruptedException e)
		{
			break;
		}
		*/
	}
	
	System.out.println("Le thread s'arrete");
}