Pre work - KaterynaShydlovska/C- GitHub Wiki

using System; using System.Text;

namespace HelloWorld { class Program { static void Main(string[] args) { Console.WriteLine("Hello World!");

        bool correct = true;
        int num = 22;
        double number = 10.4;
        char l = 'k';
        string name = "Kate";
        Console.WriteLine("Correct: "+ correct);
        Console.WriteLine("num: " + num);
        Console.WriteLine("number double: "+ number);
        Console.WriteLine("character: "+ l);
        Console.WriteLine("Name: "+ name);

        int bigestNum = Int32.MaxValue;
        Console.WriteLine("------------------------");
        Console.WriteLine($"Max intiger = {bigestNum}");
        Console.WriteLine($"Max intiger + 1 = {bigestNum +1}");

        var boolian = false;
        var n = 10;
        var doubleN = 22.05;
        var letter = 'A';
        var str = "String";
        Console.WriteLine("------------------------");
        Console.WriteLine("Boolian: " + boolian);
        Console.WriteLine("num: " + n);
        Console.WriteLine("number double: " + doubleN);
        Console.WriteLine("character: " + letter);
        Console.WriteLine("String: " + str);


        Console.WriteLine("------------------------");

        int x = 5;
        int y = 2;

        int z1 = x++;
        int z2 = y++;

        Console.WriteLine(" x = {0}, y = {1}, z1 = {2}, z2 = {3} ", x, y, z1, z2);
        int z = 6;
        int a = x + y + z;
        int b = (x - y) * z;
        int c = x + y -z;
        bool isEven;
        //bool divisible;
        if( x % 2 == 0)
        {
            isEven = true;
        }
        else
        {
            isEven = false;
            
        }
        Console.WriteLine(isEven);

        if( y % 3 == 0)
        {
            isEven = false;
        }
        else
        {
            isEven = true;
        }

        Console.WriteLine(isEven);

        double day = 12.2020;
        double result = Math.Round(day, 3);

        Console.WriteLine(result);

        string s = "Here\nwe\nare!";
        string st = "Here we are!";

        Console.WriteLine(s);
        Console.WriteLine(st);


        string res = "string to cincut";

        Console.WriteLine(string.Concat(res, st));
        Console.WriteLine(res.Length);

        string lastName = "Shydlovska";

        int index = lastName.Length / 2;
        Console.WriteLine("index " + index);

        Console.WriteLine(" Three char: " + lastName[0] + lastName[index] + lastName[lastName.Length - 1]);

        Console.WriteLine(res.ToUpper());
        Console.WriteLine(res.ToLower());

        StringBuilder sb = new StringBuilder("BigMac", 5);

        sb.Remove(0, 1);
        sb.Remove(sb.Length-1, 1);
        Console.WriteLine(sb.ToString());

        string k= "string";
        string m = " another str";

        for(int i=0; i < k.Length; i++)
        {
            if (m.Contains(k[i]))
           {
            Console.WriteLine(i);
            break;
            }
        }

        if (k.Contains(m))
        {
            Console.WriteLine(true);
        }
        else 
        {
            Console.WriteLine(false);
        }

        



        string splitIt = "To to to, boo";
        splitIt.Split(" ");

        foreach(var word in splitIt)
        {
            Console.WriteLine(word);
        }

        const string newString = "const string";
        string fromNewString = String.Format("The current string has inside < {0} > other string", newString);

        Console.WriteLine(fromNewString);

        double price = 19.165;

        Console.WriteLine("Gas price = {0:c2}", price);


        bool bo = false;
        int twentyTwo = 22;
        double two = 22.05;
        char character = 'D';

        string w = bo.ToString();
        string zz = twentyTwo.ToString();
        string q = two.ToString();
        string r = character.ToString();

        Console.WriteLine(w);
        Console.WriteLine(zz);
        Console.WriteLine(q);
        Console.WriteLine(r);

        bool e = bool.Parse(w);
        int h = Int32.Parse(zz);
        double f = Double.Parse(q);
        char u = Char.Parse(r);


        Console.WriteLine(e);
        Console.WriteLine(h);
        Console.WriteLine(f);
        Console.WriteLine(u);




        cStruct localStruct;
        localStruct.X = 1;
        localStruct.Y = 2;
        localStruct.TrueOrFalse = true;
        Console.WriteLine("Struct X: {0}, Y: {1}, TrueOrFalse: {2}", localStruct.X, localStruct.Y, localStruct.TrueOrFalse);
    }
}

//public enum Seasons // { // Spring = green, // Summer = colorful, // Autumn = yellow, // Winter = white, // }

// Console.WriteLine(Seasons.Spring);

//????

public struct cStruct { public int X; public int Y; public bool TrueOrFalse;

}

}

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