Is Java's Garbage Collection Really a Problem for Desktop Apps and Games?

November 6, 2025 2 answers
Asked by TechyTurtle92
Hey everyone! I've always heard people say that using Java for desktop applications or games isn't a great idea because of its garbage collector. A lot of folks point to Minecraft as an example, claiming that it freezes whenever the garbage collector kicks in and that programmers have little control over it. Personally, I've played Minecraft since its early days and never experienced any freezing, even on basic hardware like the AMD A10-5700 APU. This leads me to wonder, what's the real deal with these claims? I understand that Java's garbage collector runs periodically to clean up unused objects, so isn't it possible to manage references properly in your code? What's the truth behind these rumors?

Answers

ByteSizedGeeks
Java's garbage collection technology continues to improve; therefore, Java remains a solid choice for many types of applications, even those that could potentially have high performance requirements, as long as you are ready to handle it properly.
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EverOptimizingEngineer
The truth is, for many applicationsโ€”including desktop appsโ€”Java is more than capable. If your application has high demands for performance, you might need to fine-tune how you manage memory, but that's not unique to Java. Garbage collection in Java handles the heavy lifting; as long as developers are mindful of how they manage their objects, it shouldnโ€™t be a significant issue. Plus, keep in mind many other languages also rely on GC for their performance.
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