Which package is always imported by default?
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What is the use of toarray () in java?
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)
Explain wait(), notify() and notifyall() methods of object class ?
what is difference between perfom() & excute() ?
What are the benefits of immutable objects?
Explain what are final variable in java?
could you run the java program without main method?
what are the analysis of an object
Can you use this() and super() both in a constructor?
What is the major drawback of internal iteration over external iteration?
Is map ordered in java?
What is jvm? How its run?