About Sunil Gulabani
Q. What if the main method is declared as private?
Answer:
The program compiles properly but at runtime it will give “Main method not public.” message.
Q. What is meant by pass by reference and pass by value in Java?
Answer:
Pass by reference means, passing the address itself rather than passing the value. Pass by value means passing a copy of the value.
Source : http://www.javacodegeeks.com/2013/09/core-java-interview-questions.html
