Saturday 10 August 2013

Top Most Difference between Sun (Oracle) JVM and IBM JVM

There are different JVM implementation available apart form popular Sun's (now Oracle) hotspot JVM like IBM's JVM. Now question comes, what makes two JVM different to each other? Quite a lot of thing can be different even if two JVMs are implemented by following Java virtual machine specification. IBM has its own JVM implementation which is different than Oracle's JVM in many things like JIT(Just in Time) Compiler, structure of Java heap, garbage collectors and support for monitoring and management. Though I have mostly used Sun’s hotspot JVM recently got chance to run some Java program on IBM JVM on AIX platform and In this article I will shared some differences between Oracle and IBM JVM which is worth remembering. IBM's JVM is particularly useful on platform which is not supported by Oracle like AIX systems.
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