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What year is it where you are?

Java is no longer slow. JVM languages in general are very, very fast. HotSpot is, frankly, incredible.

There are legitimate gripes to be had about Java as a language, but Java as an ecosystem and a runtime are incredible.

All java software installed on my computer are still slow as shitting. All my java projects need minutes to compile fully and to startup. All my java programs uses hundreds Mb memory.

On the contrary, Golang programs run much faster, compile much faster, use much less memory.

Apples, Oranges. The Golang compiler is made for a language designed for speed of compilation. If you'd write a golang compiler in java (why you'd ever do that is not a relevant question here) then it would most likely be quite fast too.

If you're complaining about java programs that are slow or memory hogs you can only compare languages when you build the exact same application using different languages.

Yes, for the exact same application using golang and java, golang one startups faster, much faster, and uses less memory, much less.

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