Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2018 June-July Regular Supply 2nd Sem 17F00204 Java Programming Previous Question Paper
MCA II Semester Regular Examinations June/July 2018
JAVA PROGRAMMING
(For students admitted in 2017 only)
Time: 3 hours Max. Marks: 60
Answer all the questions
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1 (a) Explain the feature of java. Justify how java is platform independent language.
(b) Explain type conversion and type casting with an example.
OR
2 (a) Enumerate the rules for creating identifiers in java.
(b) Explain object oriented programming. Write down advantages and characteristics of OOPS.
3 (a) Explain the peculiarity of java in providing multiple inheritance.
(b) What is a constructor? What are its special properties? Explain with an example.
OR
4 (a) Write a program to extract a portion of a character string and print the extracted string assume
that m characters are extracted, starting with the n
th
character.
(b)
(c) When do we declare a class or method as final?
5 What is interface inheritance? What for are implements and extends keywords used? Explain
by giving suitable example.
OR
6 (a) Explain in detail about accessing implementations through interface references.
(b)
7 (a) Differentiate between byte streams and character streams.
(b) Illustrate with an example, the two ways we can synchronize the code when two or more
threads are trying to access it.
OR
8 (a) What is byte stream? Describe file handling carried out in Java with necessary examples.
(b) How does an applet differ from application program? Explain about repaint method.
9 Create a form using swing with menu. Menu should have the items related to student
management system. A related form should get opened when menu items are clicked.
OR
10 (a) Give a brief synopsis of methods and their description of component class widely used in
swings.
(b) How does a listener registers with one or more event sources?
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This post was last modified on 28 July 2020