What do you understand by private, protected and public?
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Name the runtime exceptions that occurs frequently?
What is a wrapper method?
What is the purpose of interface?
How will you serialize a singleton class without violating singleton pattern?
Why are the methods of the Math class are static?
Can an object?s finalize() method be invoked while it is reachable?
What function extracts specified characters from a string?
Is string pool garbage collected?
What is hypertext?
What is an Iterator interface?
What is difference between Iterator and for loop
How could Java classes direct program messages to the system console, but error messages, say to a file?