A queue is a data structure that follows the principle of first-in, first-out (FIFO), meaning that the element that is inserted first is removed first. Some of the common operations on a queue are:
enqueue: This operation inserts an element at the back of the queue and returns true if the operation is successful. For example, if the queue is [1, 2, 3] and we enqueue 4, the queue becomes [1, 2, 3, 4].
dequeue: This operation removes and returns the element at the front of the queue. For example, if the queue is [1, 2, 3, 4] and we dequeue, the queue becomes [2, 3, 4] and the element 1 is returned.
peek or front: This operation returns the element at the front of the queue without removing it. For example, if the queue is [1, 2, 3, 4] and we peek, the element 1 is returned but the queue remains unchanged.
rear: This operation returns the element at the back of the queue without removing it. For example, if the queue is [1, 2, 3, 4] and we rear, the element 4 is returned but the queue remains unchanged.
isEmpty: This operation checks if the queue is empty using the count property. For example, if the queue is [1, 2, 3, 4] and we isEmpty, the operation returns false. If the queue is [], the operation returns true.
isFull: This operation checks if the queue is full using the capacity property. For example, if the queue has a capacity of 5 and the queue is [1, 2, 3, 4, 5] and we isFull, the operation returns true. If the queue is [1, 2, 3, 4], the operation returns false.
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A queue is a data structure that follows the principle of first-in, first-out (FIFO), meaning that the element that is inserted first is removed first. Some of the common operations on a queue are:
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Answer:
enqueue dequeue real peek front isEmpty isFull are the operations
Step-by-step explanation: