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• Java Garbage Collection Interview Questions  04.11.07

  Explain Garbage collection mechanism in Java? Garbage collection is one of the most important features of Java. The purpose of garbage collection is to ident...

• 21 Java Interview Questions  04.11.07

  What restrictions are placed on method overloading?Two methods may not have the same name and argument list but different return types. What is the differenc...

• If an object is garbage collected, can it become reachable again?  01.06.07

  Once an object is garbage collected, it ceases to exist. It can no longer become reachable again....

• Under what conditions is an object’s finalize() method invoked by the garbage collector?  31.05.07

  The garbage collector invokes an object's finalize() method when it detects that the object has become unreachable....

• Can an object be garbage collected while it is still reachable?  24.05.07

  A reachable object cannot be garbage collected. Only unreachable objects may be garbage collected....

• Can an object’s finalize() method be invoked while it is reachable?  20.05.07

  An object's finalize() method cannot be invoked by the garbage collector while the object is still reachable. However, an object's finalize() method may be invo...

• What is the purpose of garbage collection in Java, and when is it used?  30.08.06

  The purpose of garbage collection is to identify and discard objects that are no longer needed by a program so that their resources can be reclaimed and reused....

• Can an object be garbage collected while it is still reachable?  16.03.06

  A reachable object cannot be garbage collected. Only unreachable objects may be garbage collected....

• How does the generational garbage collector in the .NET CLR manage object lifetime? What is non-deterministic finalization?  14.03.06

  The hugely simplistic version is that every time it garbage-collects, it starts by assuming everything to be garbage, then goes through and builds a list of eve...

• What is the purpose of finalization?  07.03.06

  The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected....