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

Code :R7411302 1
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. discuss different control structures and lexical problems in Java.
2. (a) discuss the structure and signi¯cance of main method in Java.
(b) Write a program to display all numbers from one to n, which are divisible by 5.
3. (a) discuss the signi¯cance of public, private and protected access speci¯ers in Inheritance?
(b) elaborate the different polymorphism schemes in Java? discuss brie°y.
4. (a) Write a Java program to implement nested packages.
(b) explain the different levels of access protection available for package.
5. (a) What is the di®erence ranging from multi processes and multi threading?
(b) define the complete life cycle of a thread.
6. discuss the subsequent terms.
(a) Window event class
(b) Item listener interface
(c) Action listener interface
(d) Adaptor class.
7. discuss with an example mouse motion listener interface.
8. (a) What is Inetaddress? How to create an Inetaddress?
(b) elaborate the classes in Java with regards to sockets?

Earning:   Approval pending.