What's the difference between comparison done by equals method and == operator?
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Explain why wait(), notify() and notifyall() methods are in object class rather than in the reading class?
What is an enumeration?
how and when compiler knows that the Java code throws the checked Exception.
Can we have any code between try and finally blocks?
There are 2 classes, 1 LandAnimal and another WaterAnimal. There is another class Animal which wants to have the properties of both LandAnimal and WaterAnimal. How will you design this situation?
Differentiate between run time error and syntax error.
What is the purpose of garbage collection in java? When is it used?
Why is whitespace important?
different types of threads?
Can an interface have a class?
What's the base class in java from which all classes are derived?
What is pre increment and post increment in java?