ArrayQueue

package com.hoho.datastruture.queue;
import com.hoho.datastruture.array.Array;
public class ArrayQueue<E> implements Queue<E> {
    private Array<E> array;
    private ArrayQueue(int capacity){
        array = new Array<>(capacity);
    }
    private ArrayQueue(){
        array = new Array<>();
    }
    @Override
    public void enqueue(E e) {
       array.addLast(e);
    }
    @Override
    public E deque() {
        return array.removeFirst();
    }
    @Override
    public E getFront() {
        return array.getFirst();
    }
    @Override
    public int getSize() {
        return array.getSize();
    }
    @Override
    public boolean isEmpty() {
        return array.isEmpty();
    }
    public int getCapacity() {
        return array.getCapacity();
    }
    @Override
    public String toString() {
        StringBuilder res = new StringBuilder();
        res.append("Queue:");
        res.append("front [");
        for (int i = 0; i < array.getSize(); i++) {
            res.append(array.get(i));
            if (i != array.getSize() - 1) {
                res.append(", ");
            }
        }
        res.append("]");
        return res.toString();
    }
    public static void main(String[] args) {
        ArrayQueue<Integer> queue = new ArrayQueue<>();
        for (int i = 0; i < 10; i++) {
            queue.enqueue(i);
        }
        System.out.println(queue);
    }
}