Category: 1. Java Queue

Here is how we can create linked lists in Java: Here, Type indicates the type of a linked list. For example, Example: Create LinkedList in Java Output In the above example, we have created a LinkedList named animals. Here, we have used the add() method to add elements to the LinkedList. We will learn more about the add() method later in this tutorial. Working… Continue reading Linked List

In this tutorial, we will learn about the Deque interface, how to use it, and its methods. The Deque interface of the Java collections framework provides the functionality of a double-ended queue. It extends the Queue interface. Working of Deque In a regular queue, elements are added from the rear and removed from the front. However, in a deque,… Continue reading Deque Interface

In this tutorial, we will learn about the PriorityQueue class of the Java collections framework with the help of examples. The PriorityQueue class provides the functionality of the heap data structure. It implements the Queue interface. Unlike normal queues, priority queue elements are retrieved in sorted order. Suppose, we want to retrieve elements in the ascending order. In this… Continue reading Priority Queue

In this tutorial, we will learn about the Java Queue interface and its methods. The Queue interface of the Java collections framework provides the functionality of the queue data structure. It extends the Collection interface. Classes that Implement Queue Since the Queue is an interface, we cannot provide the direct implementation of it. In order to use the functionalities of Queue, we… Continue reading Queue Interface