Old Exam Papers June 2012 (Set 2)

3. (a) Write short notes on : (any two)
(i) Scope resolution operator
(ii) Explicit type conversion
(iii) Member function of class
(iv) Enumerated data type
(b) Define a class to represent complex number. The
class has features of setting and printing the values.
Write a program to test the class. 10
4. (a) What is polymorphism ? How does polymorphism
promote extensibility ? 10
(b) Explain Run time memory management in C++
with example. 10
5. (a) Why is Java known as platform neutral
language ? 10
(b) What is Java applet ? Explain Applet life cycle with
diagram. 10
6. (a) Write a program in Java to find out factorial of a
natural number 10. 10
10
(b) Differentiate between C++ and Java. 10
7. (a) What is thread ? Explain the multiprocessing and
multithreading with suitable examples. 10
(b) What are different operators used in Java ? Write
a note on operator overloading. 10
8. Write short notes on :
(i) Garbage collection
(ii) Adapter classes
(iii) Package
(iv) Catch and throw blocks
700 2 PGDCA/CPCJ/M.Sc.C.S.-03 PGDCA/CPCJ/M.Sc.C.S.-03 3 700
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