QueueTwoStacks

import java.util.*;

public class Queue<T> {

    private Stack<T> stack1;
    private Stack<T> stack2;

    public Queue() {
        stack1 = new Stack<>();
        stack2 = new Stack<>();
    }

    public void enqueue(T item) {
       // write your code here
    }

    public T dequeue(){
        // write your code here
        return null;
    }

    public int size() {
        // write your code here
        return 0;
    }

}