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JPL Bca 5th Sem 2019

This document contains an exam paper for the subject Java Programming Language with 8 questions covering various topics in Java such as features that make it platform independent, selection statements, methods, object oriented paradigm, threads, exceptions, input/output, and implementing a stack interface. The exam is for the 5th semester of a Bachelor of Computer Application program with a maximum mark of 75.

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Satnam Azrot
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248 views2 pages

JPL Bca 5th Sem 2019

This document contains an exam paper for the subject Java Programming Language with 8 questions covering various topics in Java such as features that make it platform independent, selection statements, methods, object oriented paradigm, threads, exceptions, input/output, and implementing a stack interface. The exam is for the 5th semester of a Bachelor of Computer Application program with a maximum mark of 75.

Uploaded by

Satnam Azrot
Copyright
© © 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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Exam. Code 107205
Subject Code 1804

Bachelor of Computer Application (BCA) 5th Semester


JAVA PROGRAMMING LANGUAGE
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Paper-IV

Time Allowed-3 Hours] [Maximum Marks-75


Note :- Attempt any five questions.

1. Java is secure,robust, and platform independent.Explain


the features of Java that make it support this statement.
15

2. Java has two selection statements - if-else-if ladder


and the switch statement. Explain the structure of each
of them. Give an example to show when it is better
to use the switch statement. 10,5

3. What is a method in Java? How is it defined and


called ? Explain the concept of method overloading
and overriding with the help of an example. 2,6,7

4. Explain the basic building blocks of the object oriented


paradigm. How is this paradigm better than the
procedural ? 10,5

555(2119)/HH-6811 1 (Contd.)

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5. What is a thread ? How is it different from a process ?
Explain the basic constructs to create threads and use
them to synchronize asynchronous tasks. 3,2,10

6. Why are exceptions raised? Explain the Java keywords


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for catching and handling exceptions. 5,10

7. Which package does contain the methods for handling


input/output? Explainthe procedureto read from console
characters and strings. 3,12

8. Define an interface for implementing a stack of integers.


Use this stack to have two different implementations
- one using a fixed sized stack and another using a
flexible stack which can grow in size if needed.
15

555(2] 19)/HH-6811 2 5000

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