Is there is any error if you have multiple main methods in
the same class?
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What is an example of a keyword?
What is java life cycle?
Can a class have multiple constructors?
What is unmodifiable collection in java?
Does hashset allow duplicates in java?
Why are data types important?
What is meant by stack and queue?
What are the main concepts of oops in java?
Does constructor be static?
How are destructors defined in java?
What is a nested structure?
I want to print “hello” even before main is executed. How will you acheive that?
What are the six ways to use this keyword?
What are inbuilt functions?
What is the use of beaninfo?