LeetCode: Design Circular Queue Solution
1/**2 * @param {number} k3 */4var MyCircularQueue = function (k) {5 this.arr = []6 this.maxSize = k7}89/**10 * @param {number} value11 * @return {boolean}12 */13MyCircularQueue.prototype.enQueue = function (value) {14 if (this.isFull()) return false15 this.arr.push(value)16 return true17}1819/**20 * @return {boolean}21 */22MyCircularQueue.prototype.deQueue = function () {23 if (this.isEmpty()) return false24 this.arr.shift()25 return true26}2728/**29 * @return {number}30 */31MyCircularQueue.prototype.Front = function () {32 return this.isEmpty() ? -1 : this.arr[0]33}3435/**36 * @return {number}37 */38MyCircularQueue.prototype.Rear = function () {39 return this.isEmpty() ? -1 : this.arr.slice(-1)[0]40}4142/**43 * @return {boolean}44 */45MyCircularQueue.prototype.isEmpty = function () {46 return this.arr.length === 047}4849/**50 * @return {boolean}51 */52MyCircularQueue.prototype.isFull = function () {53 return this.arr.length === this.maxSize54}5556/**57 * Your MyCircularQueue object will be instantiated and called as such:58 * var obj = new MyCircularQueue(k)59 * var param_1 = obj.enQueue(value)60 * var param_2 = obj.deQueue()61 * var param_3 = obj.Front()62 * var param_4 = obj.Rear()63 * var param_5 = obj.isEmpty()64 * var param_6 = obj.isFull()65 */
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