What is nullpointerexception?
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Can an interface be defined inside a class?
What is double in java?
What is the syntax and characteristics of a lambda expression? Explain
What is class forname used for?
What is a class in java?
Is 64bit faster than 32 bit?
Explain the difference between an Interface and an Abstract class?
What is lexicographically smallest string?
what is the difference b/w static and final methods?
How is hashset defined in java?
How does java pattern compile work?
How to send a request to garbage collector?