class TicketCounter {

private int ticketsAvailable = 10;

public synchronized void bookTicket() {

if (ticketsAvailable > 0) {

ticketsAvailable--;

System.out.println(" booked a ticket. Tickets left: " + ticketsAvailable);

} else {

System.out.println("No tickets available for ");

}

}

}

class TicketBookingTask implements Runnable {

private TicketCounter ticketCounter;

public TicketBookingTask(TicketCounter ticketCounter) {

this.ticketCounter = ticketCounter;

}

@Override

public void run() {

ticketCounter.bookTicket();

}

}

public class TicketBookingTest {

public static void main(String[] args) {

TicketCounter ticketCounter = new TicketCounter();

Thread thread1 = new Thread(new TicketBookingTask(ticketCounter));

Thread thread2 = new Thread(new TicketBookingTask(ticketCounter));

Thread thread3 = new Thread(new TicketBookingTask(ticketCounter));

thread1.start();

thread2.start();

thread3.start();

}

}