M.C.A MAGADH UNIVERSITY QUESTION, (2013-2016) (Third semester) JAVA

M.C.A MAGADH UNIVERSITY QUESTION, (2013-2016) (Third semester)  JAVA 
M.C.A MAGADH UNIVERSITY QUESTION, (2013-2016) (Third semester) JAVA

                                                                              2013-2016
                                                                           Time: 4 hours
                                                                          Full Marks: 80
                                                                Answer any five questions.

1. What is java? Discuss the features of java? Explain why java is platform independent? Also explain advantages of platform independence.

2. Define constructor . What are the characteristics of constraints? How are copy constructor and default constructor used in java? Explain with example.

3. What is class? How to define a class and its object explain? Discuss function overloading and overriding?

4. What is a vector? How is it different from an array?

5. What are the abstract classes in java and how it is different from the inheritance?

6. What is packing? Explain the need of packing. Also explain different access rules for packages in java programming.

7. What is Applet? Discuss the life cycle of an applet? What do you mean by local and remote applet? Write an applet program to print INDIA?

8. What is exception handling in java? How it is differ from error (Give example also).

9. What is the role of unthreading in java? Write the process for creating thread in java.

10. Explain the following:-
      (a) JVM
      (b) Inheritance
      (c) Polymorphism

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