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This document is an exam paper for an Object Oriented Programming through Java course. It contains two parts - Part A with short answer questions worth 25 marks, and Part B with longer answer questions worth 50 marks. Part B contains 5 units with two questions each that can be answered, with one question needing to be chosen from each unit. The questions cover topics like byte code, access specifiers, packages, exceptions, threads, collections, layout managers, applets and Swing components.

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Sulochana Battina
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82 views2 pages

WWW - Manaresults.Co - In: (Common To CSE, IT)

This document is an exam paper for an Object Oriented Programming through Java course. It contains two parts - Part A with short answer questions worth 25 marks, and Part B with longer answer questions worth 50 marks. Part B contains 5 units with two questions each that can be answered, with one question needing to be chosen from each unit. The questions cover topics like byte code, access specifiers, packages, exceptions, threads, collections, layout managers, applets and Swing components.

Uploaded by

Sulochana Battina
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Code No: 133BM R16

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD


B.Tech II Year I Semester Examinations, November/December - 2017
OBJECT ORIENTED PROGRAMMING THROUGH JAVA
(Common to CSE, IT)
Time: 3 Hours Max. Marks: 75

Note: This question paper contains two parts A and B.


Part A is compulsory which carries 25 marks. Answer all questions in Part A.
Part B consists of 5 Units. Answer any one full question from each unit.
Each question carries 10 marks and may have a, b, c as sub questions.

PART- A
(25 Marks)
1.a) Differentiate between print() and println() methods in Java. [2]
b) What are symbolic constants? Explain with examples. [3]
c) What are the methods available in the character streams? [2]
d) What is the significance of the CLASSPATH environment variable in
creating/using a package? [3]
e) What is the difference between error and an exception? [2]
f) What is synchronization and why is it important? [3]
g) What is the significance of Legacy class? Give example. [2]
h) What is the purpose of String Tokenizer class? Explain. [3]
i) What are the differences between JToggle buttion and Radio buttion? [2]
j) What is an adapter class? Explain with an example. [3]

PART-B
(50 Marks)
2.a) What is meant by byte code? Briefly explain how Java is platform independent.
b) Explain the significance of public, protected and private access specifiers in
inheritance. [5+5]
OR
3.a) Explain different parts of a Java program with an appropriate example.
b) How does polymorphism promote extensibility? Explain with example. [5+5]

4.a) Explain the process of defining and creating a package with suitable examples.
b) Give an example where interface can be used to support multiple inheritance.
[5+5]
OR
5.a) What is the accessibility of a public method or field inside a nonpublic class or
interface? Explain.
b) Describe the process of importing and accessing a package with suitable
examples. [5+5]

WWW.MANARESULTS.CO.IN
6.a) Differentiate between Checked and UnChecked Exceptions with examples.
b) Write a program to create four threads using Runnable interface. [5+5]
OR
7.a) What are the different ways to handle exceptions? Explain.
b) How many ways are possible in java to create multiple threaded programs?
Discuss the differences between them. [5+5]

8.a) Differentiate between ArrayList and a Vector? Why ArrayList is faster than
Vector? Explain.
b) How an Hashtable can change the iterator? Explain. [5+5]
OR
9.a) Explain the Bit Set and Calander classes in detail.
b) Discuss the differences between HashList and HashMap, Set and List. [5+5]

10.a) List and explain different types of Layout managers with suitable examples.
b) How to move/drag a component placed in Swing Container? Explain. [5+5]
OR
11.a) Discuss about different applet display methods in brief.
b) What are the various components of Swing? Explain. [5+5]

---oo0oo---

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