choosesubject c# switch

1631 단어 c#switch

using System;
class ChooseSubject
{
    static void Main()
    {
        int i;
        string str;
        Console.WriteLine ("Please choose your favorite subjects:-1 is quit.");
        Console.WriteLine ("1.Chinese.");
        Console.WriteLine ("2.Maths.");
        Console.WriteLine ("3.English.");
        Console.WriteLine ("4.Physical.");
        Console.WriteLine ("-1 is quit.");
        do
        {
            str=Console.ReadLine ();
            i=Int32.Parse (str);
            switch(i)
            {
                case 1:
                    Console.WriteLine ("You like chinese very much.");
                    break;
                case 2:
                    Console.WriteLine ("You like maths very much.");
                    break;
                case 3:
                    Console.WriteLine ("You like english very much.");
                    break;
                case 4:
                    Console.WriteLine ("You like physical very much.");
                    break;
                case -1:
                    break;
                default:
                    Console.WriteLine ("I'm sorry.You can't choose this subject.");
                    break;
            }

        }while(i!=-1);
        Console.WriteLine ("Byebye!");
    }
}

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