String Interning : String Compare « String « C# / CSharp Tutorial

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C# / CSharp Tutorial » String » String Compare

5.10.10.String Interning

using System;



class MainClass

{

    public static void Main()

    {

        string s1 = "Hello";

        string s2 = "Hello";

        string s3 = "Hello".Substring(0, 4) + "o";

        

        Console.WriteLine("Str == : {0}", s1 == s2);

        Console.WriteLine("Ref == : {0}", (object) s1 == (object) s2);

        

        Console.WriteLine("Str == : {0}", s1 == s3);

        Console.WriteLine("Ref == : {0}", (object) s1 == (object) s3);

    }

}

Str == : True
Ref == : True
Str == : True
Ref == : False

5.10.String Compare
	5.10.1.	String comparisons: ignore case
	5.10.2.	Use '==' to compare two string objects
	5.10.3.	Compare for equal
	5.10.4.	Compare string: equal, less than or greater than
	5.10.5.	If two string are equal
	5.10.6.	Compare string case sensitively
	5.10.7.	Compare string with start index and end index
	5.10.8.	Compare string with String.Compare(string str1, strng str2)
	5.10.9.	Compare strings using StringComparison enumeration: InvariantCulture
	5.10.10.	String Interning
	5.10.11.	String equality
	5.10.12.	Sample for String.Equals(Object), String.Equals(String), String.Equals(String, String)

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