Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411302 2 IV .ester(R07)Regular s, ember/ember OBJECT ORIENTED PROGRAMMING - Question Paper

Code :R7411302 2
IV B.Tech.I Semester(R07)Regular Examinations, November/December 2010
OBJECT ORIENTED PROGRAMMING
(Electronics & Control Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) Java is both compiled and interpreted language-discuss.
(b) What is command line argument? How it is useful?
(c) What is garbage collection? discuss in detail.
2. discuss the following:
(a) Static members of a class
(b) Final
(c) This
(d) Finalize
3. (a) Write a Java program to multiply 2 matrices.
(b) Write a Java program to implement hybrid inheritance.
4. (a) What is an interface? What is the major di®erence ranging from an interface and class?
(b) List out the advantages of package.
(c) discuss about CLASS PATH variable.
5. (a) List a few of the common kinds of exceptions that might occur in Java. provide example.
(b) elaborate the advantages of exception handling mechanism in a program?
6. (a) define about different layout managers.
(b) Di®erentiate application programs and applet programs.
7. explain about Grid layout and provide example program for Grid layout.
8. explain brie°y about the following:
(a) TCP
(b) UDP
(c) URL.

Earning:   Approval pending.