What is contract between hashcode and equal method?
If you do not want your class to be inherited by any other class. What would you do?
What is java’s garbage collected heap?
What is re-factoring in software?
What is static synchronization?
What is annotation in java?
What are static methods?
What is a map? What are the implementations of map?
Which package is imported by default?
What are the restrictions imposed on method overriding?
What is hash code collision?
What do you mean by order of precedence and associativity?
What is the common usage of serialization? What exceptions occur during serialization?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
What are the different ways of creating thread?