C# String Intern(String str) method

C# String Intern(String str) method for beginners and professionals with examples on overloading, method overriding, inheritance, aggregation, base, polymorphism, sealed, abstract, interface, namespaces, exception handling, file io, collections, multithreading, reflection etc.

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C# String Intern(String str)

The C# Intern() method is used to retrieve reference to the specified String. It goes to intern pool (memory area) to search for a string equal to the specified String. If such a string exists, its reference in the intern pool is returned. If the string does not exist, a reference to specified String is added to the intern pool, then that reference is returned.

Signature

The signature of intern method is given below:

public static string Intern(String str)

Parameters

str: it is a parameter of type string.

C# String Intern() Method Example

using System; 
		
    public class StringExample  
    {  
        public static void Main(string[] args)  
        {  
           string s1 = "Hello C#";
           string s2 = string.Intern(s1);  
           Console.WriteLine(s1);
           Console.WriteLine(s2);
        }  
    }

Output:

Hello C#
Hello C#

Next TopicC# String IsInterned()

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