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• 1. garbage collection can’t call forcibly. why?
  2. how class file loaded in jvm.
  3. what is the disadvantages of garbage collection.
  4. what is system.gc() and run.gc() mathod.
  5. why finalize() mathod have protected keyword. whenever it is called automatically in a class which have main method.

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1. Submitted By: Leena — April 17, 2009 +1 votes   + -

   Though finalize() method is automatically called , a chance is given to the user to free the memory. So, if finalize() is not protected,anyone can override it and some sensitive data may be altered

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