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Deallocation of Java Objects - The Garbage Collector

• Objects are created with the new operator. new returns a reference to the new object.
  In Java there is no explicit memory (object) deallocation user operator.
  When an object looses all references, it becomes eligible for deallocation
  by the JVM garbage collector. (quick intro here).
  
• Before an object is actually destroyed, the GC invokes its finalize() method,
  defined in class Object. This method may implement custom code for deallocating
  resources (e.g. file descriptors, sockets,...), although it is not advisable - better use
  an explicit method for cleanup.
  
  
• Example in LifeSample.java.
• Invoke the JVM garbage collector with the System.gc(); method call.
  Invoke GC before long sequences of memory intensive code.

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