Garbage collection

Garbage collection is the process of removing dead objects from the heap, allowing new Java objects to be created in the JVM heap memory. Garbage collection helps the JVM reclaim heap space/memory allocated by the threads processing read and write operations that are no longer needed. This process is performed by a set of threads that constantly clears and compacts memory for efficient memory management. Even though there are a lot of hurdles to overcome before getting the right GC settings, any decent-sized application written in any language has to deal with memory fragmentation. JVM's GC is implemented in a generic, well-understood manner, and has enough parameters to tune and make it efficient for high-performance applications. ...

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