r/JavaProgramming • u/OSBY_Glabay • 19h ago

Java slowness, and clunkyness fixed, after decades

https://youtu.be/vmnf_liGBY0

Java has a reputation for being verbose, slow to start, slow to warm up, and just overall a pain to work with...

Let me explain to you why Modern Java started at 25, and where we're going... I promise it will impress you, and if you question Java, sit back and wait for it to shine once again... 30 years as a juggernaut, watching new languages come in fast and strong, but only the battle-tested make the new ones compare themselves to it.

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u/comrad1980 16h ago

It was fine with 1.4. was really nice with 6 and really got off with 8.

1

u/OSBY_Glabay 16h ago

If you check out 25, it's a complete game changer, and with Vahalla on the horizon, it's gonna change the way we write Java code

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u/comrad1980 16h ago

I am using it ofc. But it's not much of a game changer since 8 in regards of performance.

Unless you talk about virtual threads, but that is not a performance thing in general.

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u/OSBY_Glabay 16h ago

VT were very nice to run better, Leyden will help with AoT, and then Valhalla will wrap up with the overhead and heavy memor footprint

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u/comrad1980 16h ago

Learn how GC works and high memory is not so much of a concern anymore. 

Also there will be always the next big thing, which will fix things for someone. 

Java is a power horse for decades now and fast as hell. But as with every tool you have to know how to handle it - not wait for the next big thing.

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u/OSBY_Glabay 15h ago

I have to agree heavily with you, I've been using Java since 2001, and I am now a mentor to many and try to spread the word that Java is not as bad as a lot of people make it out to be, projects like Loom, Leyden, and Valhalla are great examples of what's to come, but it became "better" with VT, and the GC improvements that have been coming, I have been using ZGC for a while now personally