Should you use singleton pattern?
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Why does java have two ways to create child threads? Which way is better?
What are the advantages of passing this into a method instead of the current class object itself?
Can an unreachable object become reachable again?
How do you create immutable object in java?
can any body body expalin best definitions & best real time exaples for opps concepts.
How hashmap increases its size in java?
How to avoid the runtime exception ?
Can an object?s finalize() method be invoked while it is reachable?
How do you check if an arraylist is not empty?
how does multithreading take place on a computer with a single cpu? : Java thread
Is array size fixed in java?
What is deserialization?