How hashmap increases its size in java?
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Can we extend immutable class?
Can we force the garbage collection to run?
What is garbage collection in Java, and how can it be used ?
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Explain differences between collection api and stream api?
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describe method overloading
Java run-time system generates What class of exceptions?
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There are 2 different ways to create an object. a)By using keyword "new" b)By using Class.forName ("className").newInstance(); What is the difference between these 2 methods.
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Explain about fail fast iterators in java?
What happens when heap memory is full?