[C#] 변수& 상수 Variables & Constants (int, double, bool, char, String)

using System;

namespace MyFirstProgram
{
    internal class Program
    {
        static void Main(string[] args) // main method
        {

            int my_first_int_val; // 내생에 첫 C# 정수형 변수 ㅋㅋ
            my_first_int_val = 160; // 내 키
            Console.WriteLine(my_first_int_val);
            
            double my_we = 51.2;
            Console.WriteLine("My weight is " + my_we);

            bool this_is_me = true;
            Console.WriteLine(this_is_me);

            char sym = '@';
            Console.WriteLine(sym);

            String name = "조병하";
            Console.WriteLine("My name is " + name);

            const double pi = 3.141592;
            Console.WriteLine(pi);

        }
    }
}