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Since JDK 1.2, the new generational garbage collector has reduced memory allocation related costs to minimal levels, even lesser than C/C++. Deallocation has also become cheaper wherein the cost of garbage collection is commensurate with the number of live objects in the younger generation and not the total number of objects allocated since the last run. Note that objects in the younger generation that persist for longer duration durations are )tenured_ . Very few younger generation objects continue to live through to the next garbage collection cycle; the rest become ready to be collected in the impending collection cycle.
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