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String.Equality (==) operator with example in C#
C# String.Equality operator: Here, we are going to learn about the String.Equality (==) operator, its usages etc.
Submitted by IncludeHelp, on March 18, 2019
C# String.Equality operator
"==" is a String.Equality operator in C#, it is used to check whether two strings objects have the same values or not.
Syntax:
public static bool operator == (string a, string b);
Parameter: It has two parameters both are strings to compare..
Return value: bool – it returns a Boolean value. If strings have the same value, it returns true, else it returns false.
Example:
Input:
string str1 = "IncludeHelp";
string str2 = "IncludeHelp";
String.Equality:
str1 == str2;
Output:
true
C# Example to compare two strings using String.Equality (==) operator
using System;
using System.Text;
namespace Test
{
class Program
{
static void Main(string[] args)
{
string str1 = "IncludeHelp";
string str2 = "IncludeHelp";
//comparing strings
Console.WriteLine("str1==str2: " + (str1 == str2));
if (str1 == str2)
Console.WriteLine("str1 and str2 have the same values");
else
Console.WriteLine("str1 and str2 don't have the same values");
str1 = "Hello world";
str2 = "IncludeHelp";
//comparing strings
Console.WriteLine("str1==str2: " + (str1 == str2));
if (str1 == str2)
Console.WriteLine("str1 and str2 have the same values");
else
Console.WriteLine("str1 and str2 don't have the same values");
//hit ENTER to exit
Console.ReadLine();
}
}
}
Output
str1==str2: True
str1 and str2 have the same values
str1==str2: False
str1 and str2 don't have the same values
Reference: String.Equality(String, String) Operator