15.4.1. Queue Interface

Try these first

1. 1.

   What does FIFO stand for?

   Hint

   Think of it as a line where the first person is served first.

2. 2.

   Name a method that adds an element to a Queue.

   Hint

   Similar to adding people to a line.

3. 3.

   What does FIFO represent in the context of queues?

   • First-In-First-Out
   • First-In-First-Available
   • Fast-In-First-Out

   Hint

   Think about how items are processed in a queue.

4. 4.

   The remove() method in a queue returns null if the queue is empty.

   • True
   • False

   Hint

   Recall the behavior of methods for empty collections.

5. 5.

   Design a waiting line system using a Queue where customers can be added and removed upon service. Discuss the methods utilized.

   Hint

   Consider how customers would enter and leave the queue.

6. 6.

   In a real-life scenario, describe how a Queue could manage tasks in a multi-threaded application. Discuss potential issues like deadlocks.

   Hint

   Think about how tasks might compete for resources.