What is the rule for generating UUID in C#?

1 year ago
Emily Johnson
1 minute

In C#, you can use the System.Guid class to generate UUIDs (Universally Unique Identifiers).

A UUID is a 128-bit identifier commonly used to uniquely identify objects or entities, generated according to a specified algorithm with a low risk of duplication.

In C#, you can generate a UUID using the Guid.NewGuid() method, which generates a unique identifier based on time and computer uniqueness.

Here is an example code in C# for generating UUIDs.

using System;

class Program
{
    static void Main()
    {
        Guid uuid = Guid.NewGuid();
        Console.WriteLine(uuid.ToString());
    }
}

This code will create a new UUID and print it to the console. The generated UUID will be in the format similar to “b7aa5e48-ec15-4a31-882f-9938b2d49db5”.

It is important to note that UUIDs are generated based on a specific algorithm and have a very low risk of duplication, but they cannot guarantee absolute uniqueness. Therefore, in some cases, it may be necessary to use other identifiers to ensure uniqueness.

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