Explain about instanceof operator in java?
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Explain the concept of proper inheritance?
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Is singleton a bad practice?
What are the various access specifiers in java?
What is hashmap and map?
What are the latest versions in JAVA related areas?
Hi buddy, well i got that there is always a default constructor with abstract class. OK. But why not with interface? Thanks in advance.
Explain about anonymous inner classes ?
What is a condition in java?
Which is better singleton or static class?
Why volatile is used in java?
What is use of set in java?
Is java hashset ordered?