Question

How to concatenate two or more strings in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "www";
            string s2 = "FFF";

            s2 = s2 + s1;

            Console.WriteLine(s2); // FFFwww
        }
    }
}

/*
run:

FFFwww

*/

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Answer 2

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "www";
            string s2 = "FFF";

            s2 = string.Concat(s2, s1);

            Console.WriteLine(s2); // FFFwww
        }
    }
}

/*
run:

FFFwww

*/

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Answer 3

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "www";
            string s2 = "FFF";
            string s3 = "...";

            s3 = s3 + s1 + s2;

            Console.WriteLine(s3); // ...wwwFFF
        }
    }
}

/*
run:

...wwwFFF

*/

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Answer 4

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "www";
            string s2 = "FFF";
            string s3 = "...";

            s3 = s3 + " " + s1 + " " + s2;

            Console.WriteLine(s3); // ... www FFF
        }
    }
}

/*
run:

... www FFF

*/

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Answer 5

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "www";
            string s2 = "FFF";
            string s3 = "...";

            s3 = s3 + " " + s1 + " " + s2 + " " + "qqq";

            Console.WriteLine(s3); // ... www FFF qqq
        }
    }
}

/*
run:

... www FFF qqq

*/

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Answer 6

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "www";
            string s2 = "FFF";
            string s3 = "...";

            s3 = string.Concat(s3 + " " + s1 + " " + s2 + " " + "qqq");

            Console.WriteLine(s3); // ... www FFF qqq
        }
    }
}

/*
run:

... www FFF qqq

*/

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