Guru Gobind Singh Indraprastha Vishwavidyalaya 2007 B.E Information Technology JAVA PROG& WEBSITE DESIGN - Question Paper
END TERM exam
FIFTH SEMESTER [B.TECH] – DEC-2007
JAVA PROG. & WEBSITE DESIGN
(Please write your Exam Roll No/ Exam Roll No.
Fifth Semester [B.Tech.]- December-2007
Paper Code: ETIT-303 (Batch-2004-2005) ,Subject: Java Prog. & Website Design
Paper ID; 201795
Time: 3'Hours Maximum Marks : 75
_Note: Attempt any one question from each of the four unitsfQ.No.1 is compulsory. _[
(10x2.5-25)
Q.1 (a) What is the significance of "this" keyword in Java?
(b) What are Abstract classes?
(c) Why main () function is defined as static in Java?
(d) Differentiate between classes and interfaces.
(e) What is the pm pose of init () method in applets?
(f) Explain the terms: method overloading and method overriding.
(g) What are sockets? How these are implemented in Java?
(h) What is the use of Print Writer class? Write some/of.its constructor methods.
(i) How threads can be created in Java?
(j) Explain different usage of the keyword final".
Q.2 (a) Write down the usefulness of the keyword "super" in Java. (2.5)
(b) Write a program in Java to illustrate the referencing of a superclass variable by a
subclass object. (10)
Q.3 (a) How garbage objection is done in Java. Illustrate the use of finalize method. (5) (b) Write a program in Java to implement stack. The program should contain push ()
and pop () methods. (7.5)
UNIT-II
Q.4 (a) Write down the Java built in exceptions. What are their meaning? (5)
(b) Write a program in Java to illustrate nested try statements. (7.5)
Q.5 (a) What are the different methods available for inter thread communication?
Explain. (5)
(b) Write a program in java to illustrate synchronized multithreading. (7.5)
UNIT-Ill
Q.6 (a) Explain the different event handling mechanisms.used in Java. (5)
(b) Explain different event classes defined in Java awt event package. (7.5)
Q.7 (a) Write a program :n Java to show the use of different mouse handling events. (7.5) (b) Explain differem methods defined by servelet request and servelet response
classes. (5)
UNIT-IV
Q.8 (a) Explain the dinorent protocols used in communication over internet. What are
cookies? (5)
(b) Discus the various HTML tags used for designing a basic web page. (7.5)
Q.9 (a) What is DHTML? How it is different from HTML? (5)
(b) Discuss different options available in HTML for creating different controls. How
these can be linked with javascript? (7.5)
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