What is a priority queue java?
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Explain why wait(), notify() and notifyall() methods are in object class rather than in thread class?
List the three steps for creating an object for a class?
Difference between ?System.out.println? and ?System.error.println??
What is the java idl system?
What is the generic class?
3) Suppose you are a very rich person, having 50 rooms and you have lost the key for one of the room's. How effectively you can find this key? (Qs2 and Qs3 are related)
When should I use abstract classes and when should I use interfaces?
Name the package that most of the AWT events that supports event-delegation model are defined?
What will happen if there is a default method conflict as mentioned above and we have specified the same signature method in the base class instead of overriding in the existing class ?
Explain the importance of throwable class and its methods?
What is the difference between jvm and jre? What is an interface?
What do negative exponents mean?