Why collection is called framework in java?
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Can we declare the main method of our class as private?
What are different types of expressions?
What is use of a abstract variable?
What is nested interface?
how to print output with out using sop statements
Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?
What is entry in java?
What is oop principle in java?
What is emant by API? is it related to java only or it is common for all OOPS supporting language?
Explain the polymorphism principle?
What error occurs if a try-catch-finally statement sequence does not have a catch clause?
Where can I find data structures question and answers with comprehensive working code written in Java