OpenJDK Java can be improved in some areas. The regular releases and security updates need to be more frequently available in OpenJDK Java, which is not currently the case. Additionally, the compiler optimizations should be enhanced. The significant work going on to enhance is the JIT compilers. Recent examples include improvements to scalar replacement. These things make applications run smoother and faster, and those enhancements can also be done. The modularization can be done to improve it as well. Those are my concerns. I would also add one more point about the needed improvements, which is the optimization of application code for efficiency through data structures. That can also be a point.
Software Engineer at a recreational facilities/services company with 10,001+ employees
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Dec 3, 2025
Unfortunately, I cannot answer how OpenJDK Java can be improved. The only thing I can say is that perhaps it could provide more functions or available libraries. The improvements OpenJDK Java needs are mostly just the functions and drivers that need to be set up.
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OpenJDK Java can be improved in some areas. The regular releases and security updates need to be more frequently available in OpenJDK Java, which is not currently the case. Additionally, the compiler optimizations should be enhanced. The significant work going on to enhance is the JIT compilers. Recent examples include improvements to scalar replacement. These things make applications run smoother and faster, and those enhancements can also be done. The modularization can be done to improve it as well. Those are my concerns. I would also add one more point about the needed improvements, which is the optimization of application code for efficiency through data structures. That can also be a point.
Unfortunately, I cannot answer how OpenJDK Java can be improved. The only thing I can say is that perhaps it could provide more functions or available libraries. The improvements OpenJDK Java needs are mostly just the functions and drivers that need to be set up.
OpenJDK Java performs well overall. However, OpenJDK Java could be improved in terms of memory performance, and threads could be better optimized.