How many types of classes are there in java?
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Why pass by reference is not possible in java?
Is array an object in java?
What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?
How to declare unique ArrayList ?
What is the purpose of static keyword in java?
Is an array a vector?
Why collection is called framework in java?
Tell us something about different types of casting?
Difference between Superclass and Subclass?
Explain the concept of polymorphism with examples?
what is daemon thread and which method is used to create the daemon thread? : Java thread
Is binary a low level language?