3/24/2023 0 Comments Enqueue and dequeue java![]() Because of this property, it may not obey the First In First Out property. As the name suggests double ended, it means that an element can be inserted or removed from both ends of the queue, unlike the other queues in which it can be done only from one end. Dequeue : Dequeue is also known as Double Ended Queue.In pre-define priority queue, C++ gives priority to highest value whereas Java gives priority to lowest value. The priority can also be such that the element with the lowest value gets the highest priority so in turn it creates a queue with increasing order of values. The priority can be something where the element with the highest value has the priority so it creates a queue with decreasing order of values. Its specialty is that it arranges the elements in a queue based on some priority. Priority Queue : This queue is a special type of queue.if no element is present at a certain position in the queue, then an element can be easily added at that position using modulo capacity( %n). This is because if there is an empty space i.e. Its advantage is that the memory is utilized in a better way. The working of a circular queue is similar to the linear queue except for the fact that the last element is connected to the first element. Circular Queue : In a circular queue, the element of the queue act as a circular ring.To solve this problem we use circular queue. Here problem is that if we pop some item from front and then rear reach to the capacity of the queue and although there are empty spaces before front means the stack is not full but as per condition in isFull() function, it will show that the stack is full then. the Dequeue operation takes place at the front end. the Enqueue operation takes place at the rear end and removal of an element i.e. Simple Queue: Simple queue also known as a linear queue is the most basic version of a queue.the total number of elements it contains. size(): This operation returns the size of the queue i.e.isFull(): This operation indicates whether the queue is full or not.isEmpty(): This operation indicates whether the queue is empty or not.rear(): This operation returns the element at the rear end without removing it.front(): This operation returns the element at the front end without removing it.dequeue(): This operation removes and returns an element that is at the front end of the queue.enqueue(): Inserts an element at the end of the queue i.e.Queue Data structure Basic Operations on Queue: ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Full Stack Development with React & Node JS(Live).Android App Development with Kotlin(Live).Java Programming - Beginner to Advanced.Data Structure & Algorithm-Self Paced(C++/JAVA).Data Structure & Algorithm Classes (Live).
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