C# Console apps code example

Example 1: dotnet core create console project

dotnet new console

Example 2: c sharp console app programming

int a = 42;
        int b = 119;
        int c = a + b;
        Console.WriteLine(c);
        Console.ReadKey();

Example 3: console app c#

//This is the supreme way to make a console app with a switch.


using System;

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        {
          	//Greats the user.
          	Console.WriteLine("Hello!");
            Console.WriteLine();
          	
          	//An infinite loop for continues command reading.
            while (true)
            {
              	//Asks for input on a line starting with >>.
                Console.Write(">> ");
                input = Console.ReadLine();
              	
              	//Checks if the user wants to exit.
                if (input == "Close") break;
              
              	//Gets the first word of the line and puts it in command.
                var command = input.Split(' ')[0];
              
              	//sets up a switch for all the possible commands
                switch (command)
                {
                    case "log":
                    	//This is entered if log is submited into the Console.
                       	Console.WriteLine("Not implemented");
                        break;
                    case "":
                        //Leaves the user alone. This is needed because otherwise it would
                    	//cosnider "" as the defualt and print Unknown command.
                        break;
                    default:
                        Console.WriteLine("Unknown command.");
                        Console.WriteLine();
                        break;
                }
            }
        }
    }
}