What happens if the queue is full during an enqueue operation?Īns: If the queue is full during an enqueue operation, it is called an overflow condition, and the operation cannot be performed. What input is required for the enqueue operation in a queue data structure?Īns: The input required for the enqueue operation in a queue data structure is the element that needs to be added to the end of the queue. Here are some frequently asked questions on enqueue and dequeue in data structure. In this article, we discussed what enqueue and dequeue operations are in queue data structure and the implementation of enqueue and dequeue in C++, C, and Java languages. Proper implementation of these operations ensures efficient use of memory and optimal performance. They are essential in many algorithms and applications where data needs to be processed in a sequential manner. In conclusion, enqueue and dequeue in data structure are fundamental operations that allow us to add and remove elements in a specific order. ![]() Step 3: If the queue is not empty, then remove the element at the front of the queue and increment the front pointer.Ĭode for Enqueue and Dequeue in C++, C and Javaīelow is the code implementation of enqueue and dequeue in C++, C, and Java.Step 2: If the queue is empty, then display an underflow message and end the program.Step 1: Check if the queue is empty or not by comparing the number of elements in the queue with 0.Step 3: If the queue is not full, then increment the rear pointer and insert the new element at the position pointed by the rear pointer.Step 2: If the queue is full, then display an overflow message and return. ![]()
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