Tuesday, November 29, 2011

What is JVM Heap Size? How does it affect the performance of the Application?

The heap is the runtime data area from which memory for all class instances and arrays is allocated. The heap may be of a fixed size or may be expanded. The heap is created on virtual machine start-up. If you have complicated algorithms or big caching which might create lot of objects in memory you may need bigger heap size.
Category:Java Interview Questions

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