What is the difference between iterator and enumeration ?
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How many bits is a double?
Why string is immutable or final in java
What is the multilevel inheritance. and also give the Example of it ?
What are the advantages and disadvantages of reference counting in garbage collection?
What are the differences between throw and throws?
What happens if an exception is throws from an object's constructor?
Define how destructors are defined in java?
What class allows you to read objects directly from a stream in java programming?
When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?
What is the functionability stubs and skeletons?
Is void a wrapper class?
Which method returns the length of a string?