C# 21.03.29.수업내용

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


namespace Study801
{
    class App
    {
        public App()
        {
            Console.WriteLine("App");

            //스레드 변수 선언
            Thread t;

            ThreadStart ts = new ThreadStart(() => 
            {
                for(int i = 0; i < 10; i++)
                {                    
                    Console.WriteLine("Hello");
                    Thread.Sleep(500);
                }
                
            });
            //스레드 인스턴스화 (ThreadStart대리자 인스턴스화)
            t = new Thread(ts);

            //스레드 시작
            t.Start();

            Thread t2 = new Thread(new ThreadStart(this.Hi));
            t2.Start();
        }

        private void Hi()
        {
            for(int i = 0; i < 10; i++)
            {
                Console.WriteLine("HI");
                Thread.Sleep(500);
            }
        }
    }
}

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


namespace Study801
{
    class App
    {
        static Thread thread1, thread2;
        public App()
        {
            Console.WriteLine("App");

            thread1 = new Thread(() =>
            {
                //Running : 스레드 시작 후 동작 상태
                Console.WriteLine(thread1.ThreadState); 
                Thread.Sleep(1000);
                thread1.Abort();
                Thread.Sleep(1000);
                thread1.Join();
            });

            thread1.Name = "Thread1";
            //Unsterted : 스레드 생성 후 Start 되기 전 상태
            Console.WriteLine(thread1.ThreadState); 
            thread1.Start();

            thread2 = new Thread(() =>
            {
                while (true)
                {
                    Thread.Sleep(100);
                    //WaitSleepJoin : 블록 상태, Join, Monitor Enter, Sleep일 때 되는상태
                    Console.WriteLine(thread1.ThreadState); 
                    //Stopped : Abort메서드 호출시 되는 상태(중지된 스레드의 상태)
                }
            });
            thread2.Start();
        }

    }

}

============================================================================

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


namespace Study801
{
    public class Coffee
    {

    }
    public class Egg
    {

    }
    public class Toast
    {
        public string bread;
        public Toast(string bread)
        {
            this.bread = bread;
        }
    }

    class App
    {

        public App()
        {
            //가변배열 선언
            int[][] arr = new int[3][];
            arr[0] = new int[2];
            arr[1] = new int[6] { 1, 2, 3, 4, 5, 6 };
            arr[2] = new int[3] { 7, 8, 9 };

            int[] arr1 = arr[0];

            Console.WriteLine(arr);

            for(int i = 0; i < arr.Length; i++)
            {
                for(int j = 0; j < arr[i].Length; j++)
                {
                    Console.WriteLine(arr[i][j] + " ");
                }
                Console.WriteLine();
            }            
        }        
    }
}