Tuesday, February 7, 2023

Dr. A.P.J. Abdul Kalam University MCA II Sem Object Oriented Programming with JAVA [MCA205] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

Second Semester Main Examination, June-2021

Object Oriented Programming with JAVA [MCA205]

Time: 3:00 Hrs Max Marks 70

Note: Answer all five questions.

All questions carry equal marks.

Q.1 (a) Discuss the basic features of Java Programming methodology.

(b) Explain OOPS in detail. What are differences between JAVA and C++?

Q.2 (a) What do you understand by Inheritance and also define its types with

example?

(b) Write the difference between JDK and JRE?

Q.3 (a) Explain the lifecycle and HTML tags for Applet.

(b) What is friend Function? What are some advantage and disadvantage of

using friend functions?

Q.4 (a) Explain the working of JDBC and ODBC bridge.

(b) What is servlet? Discuss the servlet lifecycle?

Q.5 (a) Explain the concept of multithreading by giving suitable example?

(b) Explain in detail operator overloading and function overloading with

example?

Q.6 (a) What is constructor? Explain different type of constructors.

(b) Compare abstraction and encapsulation. Give advantage & disadvantage

of polymorphism in an object-oriented system.

Q.7 (a) Write the Difference between structure and classes in C++.

(b) What is pointer? Discuss pointer to base and derived class.

Q.8 Write short notes on:

(a) Java’s event delegation model

(b) Model View Controller

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