C#的学习记录

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            double firstNumber, secondNumber;
            string userName;
            Console.WriteLine("Enter your name:");
            userName = Console.ReadLine();
            Console.WriteLine("Welcome{0}!", userName);
            Console.WriteLine("Now give me a number:");
            firstNumber = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("Now give anoter number:");
            secondNumber = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("The sun of {0} and {1} is {2}.", firstNumber, secondNumber,
                firstNumber + secondNumber);
            Console.WriteLine("The result of subtracting {0} from {1} is {2}.", secondNumber,
                firstNumber, firstNumber - secondNumber);
            Console.WriteLine("The product of {0} and {1} is {2}.", firstNumber, secondNumber,
                firstNumber * secondNumber);
            Console.WriteLine("The result of dividing {0} by {1} is {2}.", firstNumber,
                secondNumber, firstNumber / secondNumber);
            Console.WriteLine("The remainder after dividing {0} by {1} is {2}.", firstNumber,
                secondNumber, firstNumber % secondNumber);
            Console.ReadKey();

}
}
}

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