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home / developersection / interviews / what is the difference between equals() and == in c#?
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What is the difference between Equals() and == in C#?

Ponu Maurya 417 23 Jun 2025
c# c#
Updated 23 Jun 2025
Ponu Maurya
Ponu Maurya

Student

"Ponnu bio" likely refers to information about someone named Ponnu, or the scientific name of a plant. Based on the search results, "Ponnu" can be a name, a nickname, or a scientific name for a plant. It can also be used in relation to business, or even refer to a type of bio.

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Ponu Maurya
Ponu Maurya 23 Jun 2025
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Answer:

  1. ==: Compares reference for reference types (unless overloaded).
  2. Equals(): Compares value (default is reference, but can be overridden).
string a = "hello";
string b = string.Copy(a);
Console.WriteLine(a == b);       // True (content comparison for string)
Console.WriteLine(a.Equals(b));  // True

For custom types, override Equals() and GetHashCode() for value comparison.

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