"With" doesn't exist in Java, but it was introduced in C# 9.0 as part of the .NET implementation of records: https://devblogs.microsoft.com/dotnet/c-9-0-on-the

"With" doesn't exist in Java, but it was introduced in C# 9.0 as part of the .NET implementation of records: https://devblogs.microsoft.com/dotnet/c-9-0-on-the-record/#with-expressions https://devblogs.microsoft.com/dotnet/c-9-0-on-the-record/#w... I think the author is more saying that a "with" operator would fit into Java record semantics but might not be compatible with Lombok @Data classes or Kotlin data classes (though it looks from your link that Kotlin actually does have something very similar in the "copy" method).