HOW DOES StringBuilder WORK? Implementing Our Own in C# – Interview Analysis!

Published: 02 April 2025
on channel: Ruslan Shishmarev
1,783
85

StringBuilder is one of the most important classes in C#, especially when working with strings. It's often asked about in interviews, so it's important to understand its internals.

In this video, we'll cover:
• Why StringBuilder is faster than string in C#.
• How it works under the hood.
• Implementing our own StringBuilder from scratch.

This tutorial will be useful for developers preparing for interviews, as well as for those who want to delve deeper into the fundamentals of C#.
Leave questions and share your experiences with StringBuilder in the comments.
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