Can we create our own wrapper class in java?
why operator overloading is removed in java?
How many types of design patterns are there?
Is there any difference between nested classes and inner classes?
which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?
Why do we need to override equals() and hascode() method of object class?
Is java call by reference?
What is the benefit of abstract class?
What is private public protected in java?
What are hot spots in Java programming?
How can we create objects if we make the constructor private ?
What are the benefits of immutable objects?
Can each java object keep track of all the threads that want to exclusively access it?