[ C# 8일차 ] Collections_Queue, Stack

Queue 선입선출

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;

namespace Study09
{
    class App
    {
        //생성자
        public App()
        {
            Console.WriteLine("App");

            Queue queue = new Queue();

            queue.Enqueue(1);
            queue.Enqueue("홍길동");
            queue.Enqueue(true);
            queue.Enqueue(null);
            queue.Enqueue(new Hero());
            queue.Enqueue(new Queue());
            queue.Enqueue(new ArrayList());

            object obj0 = queue.Dequeue();      //1
            object obj1 = queue.Peek();         //"홍길동"
            object obj2 = queue.Dequeue();      //"홍길동"
            Console.WriteLine(queue.Count);     //5

            foreach(object element in queue)
            {
                Console.WriteLine(element);
            }

            while (queue.Count > 0)
            {
                object element = queue.Dequeue();
                Console.WriteLine("element: {0}, count: {1}", element, queue.Count);
            }

        }
    }
}

 

Stack 후입선출

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;

namespace Study09
{
    class App
    {
        //생성자
        public App()
        {
            Console.WriteLine("App");

            Stack stack = new Stack();

            stack.Push(1);
            stack.Push(true);
            stack.Push("홍길동");
            stack.Push(new Hero());
            stack.Push(null);

            object obj0 = stack.Pop();
            object obj1 = stack.Peek();

            Console.WriteLine(stack.Count);

            foreach(object element in stack)
            {
                Console.WriteLine(element);
            }
            while (stack.Count > 0)
            {
                object element = stack.Pop();
                Console.WriteLine("element: {0}, count: {1}", element, stack.Count);
            }

        }
    }
}