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Posted By: Sree.... Member Level: Diamond Posted Date: 23 Apr 2008
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2006 Andhra Pradesh State Jawaharlal Nehru Technological University B.Tech OBJECT ORIENTED PROGRAMMING THROUGH JAVA Set No. 1 Question paper
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Code No: RR210502 Set No. 1
II B.Tech I Semester Supplementary Examinations, March 2006
OBJECT ORIENTED PROGRAMMING THROUGH JAVA
( Common to Computer Science & Engineering, Information Technology
and Computer Science & Systems Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Write short notes on
i. Java applets and
ii. Byte code.
(b) What is the difference between a program compiled in Java and other lan-
guages like C,C++.
(c) Write a program to demonstrate the concept of class scope and method scope.
Explain the lifetime of a variable. [6+5+5]
2. (a) How is object oriented programming different from procedure oriented pro-
gramming?
(b) Explain any two of the following.
i. Concrete class
ii. classes and objects [8+8]
iii. packages
3. (a) Compare and contrast the String class with StringBuffer class.
(b) Write a Java program to illustrate the usage of replace() method of String
Buffer class. Give output. [8+8]
4. Write a program that takes a list of numbers and sorts them in descending order.
[16]
5. (a) Discuss about the nested try statement and how such a program may be
executed?
(b) List out by an example the way to create a user defined exception. [8+8]
6. (a) How is priority level is incorporated in threads and what does it achieve?
(b) What strategy tests the status of a thread? How do you ensure that the main
stops last $ r = ’. [8+8]
7. What is Servlet? What are the reasons to use java servlets? [16]
8. (a) What is TCP/IP? What is the difference between TCP/IP and UDP/IP?
(b) What is socket? Which socket is used for client and server in TCP?
1 of 2
Code No: RR210502 Set No. 1
(c) How does a client can create a connection with a server? How does a server
can create a connection with a client? [5+5+6]
2 of 2
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