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Difference between == and .Equals method in c#
The Equality Operator ( ==) is the comparison operator and the Equals() method in C# is used to compare the content of a string.
The Equals() method compares only content.
Example
using System;
namespace ComparisionExample {
class Program {
static void Main(string[] args) {
string str = "hello";
string str2 = str;
Console.WriteLine("Using Equality operator: {0}", str == str2);
Console.WriteLine("Using equals() method: {0}", str.Equals(str2));
Console.ReadKey();
}
}
}Output
Using Equality operator: True Using equals() method: True
The Equality operator is used to compare the reference identity.
Let us see another example.
Example
using System;
namespace Demo {
class Program {
static void Main(string[] args) {
object str = "hello";
char[] values = {'h','e','l','l','o'};
object str2 = new string(values);
Console.WriteLine("Using Equality operator: {0}", str == str2);
Console.WriteLine("Using equals() method: {0}", str.Equals(str2));
Console.ReadKey();
}
}
}Output
Using Equality operator: False Using equals() method: True
Updated on: 23-Jun-2020
6K+ Views
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