What is string interpolation in C#?

What is string interpolation in C#?

String interpolation in C# is a way to embed expressions within string literals, making it easier to format strings.

Can you show me an example of string interpolation?

Sure! You can use the $ symbol before a string. For example: var name = "John"; var greeting = $"Hello, {name}!";

What are the benefits of using string interpolation over concatenation?

String interpolation improves readability and maintainability, especially with complex strings, compared to traditional concatenation.

Are there any performance differences between string interpolation and concatenation?

In most cases, string interpolation is as efficient as concatenation, but it can be slightly slower in some scenarios due to expression evaluation.