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/**
* @author : 최정우
* @since : 2022.09.21
* @dscription : Queue(선입선출) 자료형 객체 입니다.
*/
class Queue {
constructor() {
this._arr = [];
}
//입력
push (item) {
this._arr.push(item);
}
//출력 후, 제거
pop () {
return this._arr.shift();
}
//출력 대기 중인 item return
peek () {
return this._arr[0];
}
//확인
showQueue () {
console.log('Queue : ', this._arr);
}
}
module.exports = Queue;