JAVA Previous Years Question: 1. Write exception handling mechanisms in JAVA. That is, explain try catch finally block with an example. Also, describe “Throwable” and “Exception” classes. 2. Describe with diagram the life cycle of applet. 3. How do you parameter to a base class from a derived class in Java? 4. Explain final modifier in Java? 5. What is the purpose of “instanceof” keyword in Java? 6. Name the different methods in String class in Java? 7. Explain in brief the event handling mechanism in the “SWING” package of Java programming language. 8. Give an example of inner class. 9. What is final class? Why they are used? 10. What is the base class of all the classes in JAVA? Mention 3 of its important methods. 11. What are the differences between an interface and an abstract class? What kinds of fields and methods may be contained in Java interface? 12. How can you create packages in Java? What kind of classes can be grouped in a package? How your friends code can use classes in your package?
13. Do you think copy of an array can be created using assignment statement? Give reason for your answer. 14. Explain with examples instance variables and class variables. 15. Short note on “package” and “import” in Java. 16. Describe the