What is number data type?
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Under what conditions is an object’s finalize() method invoked by the garbage collector?
What does sizeof return?
Explain creating threads by implementing runnable class?
Can a list be null in java?
What are the Object and Class that classes used for?
Can we override constructors?
What is data member in java?
What is split return?
If we don’t want some of the fields not to serialize how to do that?
what is Hashmap & Hashtable wirh example?
What are the methods of object class ?
How to override a equals() method and what is the use?