Java's records, Lombok's data, and Kotlin's data classes

Re:Java's records, Lombok's data, and Kotlin's data classes by bob1029 on Friday May 07, 2021 @01:26PM (#27078432)

If C# didn't exist, we would certainly be a Java shop. Not only because of the ecosystem & tooling, but also because it is a language that has historically proven its ability to model incredibly complex business domains as well as support mission critical workloads without falling over on itself.

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Re:Java's records, Lombok's data, and Kotlin's data classes by azth on Friday May 07, 2021 @01:37PM (#27078555)

How's your experience with C#/.NET been? Does it have an analogous offering to Java's JFR[0] for always-on profiling?

[0] https://blogs.oracle.com/javamagazine/java-flight-recorder-a...

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Re:Java's records, Lombok's data, and Kotlin's data classes by bob1029 on Friday May 07, 2021 @02:35PM (#27079245)

I am not familiar with the scope of JFR, but there have been some very recent movements around profiling in C#/.NET:

https://devblogs.microsoft.com/dotnet/introducing-dotnet-mon...

https://devblogs.microsoft.com/dotnet/whats-new-in-dotnet-mo...

My experience overall with the C# ecosystem has been fantastic. We started out on .NET Framework 4.x back in 2014-2015, and today are now talking about moving to .NET 6 and rewriting our native apps to use MAUI as November grows closer. A lot of the same code we had back in 2015 is still running today with zero modifications.

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Re:Java's records, Lombok's data, and Kotlin's data classes by bpicolo on Friday May 07, 2021 @02:12PM (#27078921)

Seems like EventPipe is the C# equivalent? https://docs.microsoft.com/en-us/dotnet/core/diagnostics/eve...

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Re:Java's records, Lombok's data, and Kotlin's data classes by azth on Friday May 07, 2021 @02:17PM (#27079001)

It seems somewhat similar, but I don't see mention of method traces (similar to a profile view in figure 7 in the blog post I listed).

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Re:Java's records, Lombok's data, and Kotlin's data classes by bpicolo on Friday May 07, 2021 @02:21PM (#27079045)

There are tools built on top of it to that effect (eventpipe -> dotnet-trace -> tools built on top of trace) https://www.hanselman.com/blog/dotnettrace-for-net-core-trac...

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Re:Java's records, Lombok's data, and Kotlin's data classes by switch007 on Friday May 07, 2021 @01:38PM (#27078573)

“historically proven its ability to model incredibly complex business domains”

You surely can’t be talking about its type system?

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Re:Java's records, Lombok's data, and Kotlin's data classes by bob1029 on Friday May 07, 2021 @02:31PM (#27079195)

I certainly prefer the type system of C# over Java, but the latest things I've seen come out of the Java camp give me confidence that I could port most of the same ideas across the way without too much friction if need be.

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Re:Java's records, Lombok's data, and Kotlin's data classes by switch007 on Friday May 07, 2021 @02:36PM (#27079257)

You said historically, by which I assumed you meant older Java versions, not later ones.

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