Why do we need hashmap in java?
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Explain notifyall() method of object class ?
What is local declaration?
Can you write a java class that could be used both as an applet as well as an application?
How to implement an arraylist in java?
Why bytecode is called bytecode?
What is communist flag?
What is the difference between a constructor and a method?
What is int short for?
Does treeset allow null in java?
How do you empty a list in java?
What are the advantages and disadvantages of reference counting in garbage collection?
Can we write a class without main method in java?