String.Concat Method is used to concatenate one or more instances of one string to the end of another string. You concatenate strings by using the + operator.add two strings, two objects and one string and one object or more combination of these two. The Concat method adds strings (or objects) and returns a new string.
C# String Concat Method Syntax
In the given below the syntax of defining a Concat method to append one or more strings in the c# language.
public string Concat(string firstString, string secondString)
If you observe syntax, the Concat method will append multiple strings and return them as a new string.
C# String Concat Method Example
Example
using System;
public class StringExample
{
public static void Main(string[] args)
{
string str = "First String Value";
string str1 = "Second String Value";
Console.WriteLine(string.Concat(str,str1));
}
}
output
First String Value Second String Value
In the given above example, using the Concat() method to append or concatenate one or more strings and return it as a new string in the c# as 'First String Value Second String Value'.
For more example
using System;
public class StringContactExample
{
public static void Main(string[] args)
{
string str = "Welcome to";
string str1 = " " + "Find And Solve";
Console.WriteLine("Message: {0}", string.Concat(str, str1));
string string1 = "Sylvia";
string string2 = ", " + "Devin";
string string3 = ", " + "Atenika";
Console.WriteLine("Name List: {0}", string.Concat(string.Concat(string1, string2), string3));
Console.ReadLine();
}
}
output
Message: Welcome to Find And Solve
Name List: Sylvia, Devin, Atenika