What is the intersection and union methods?
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Explain the difference between map and flatmap stream operation?
What is isa relationship?
What modifiers can be used with a local inner class?
Why do we need singleton class?
What is the purpose of static keyword in java?
How many digits is int32?
What do you know about the garbate collector?
What are constants and how to create constants in java?
I have a String s = java; What is the output when I say s.replaceAll('j', 'k'); Also what is the value of s after replacing?
What is derived datatype?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
is there any function in java to make the text to blink?