Can a java program have 2 main methods?
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Why can't we use static class instead of singleton?
Is nullpointerexception checked or unchecked?
How is java hashmap implemented?
What is scanner in java?
what is object type casting? give some example with related?
What are keywords in programming?
make a method which any number and any type of argument and print sum of that arguments.....
What steps are taken when the OS shifts from one-thread execution to another?
Explain throw keyword in java?
What are java annotations?
Is it correct to say that due to garbage collection feature in java, a java program never goes out of memory?
Considering notepad/ie or any other thing as process, what will happen if you start notepad or ie 3 times? Where 3 processes are started or 3 threads are started?