Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R13 2019 December 813AQ Java Programming Previous Question Paper
R13
Code No: 813AQ
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA III Semester Examinations, December - 2019
JAVA PROGRAMMING
Time: 3 Hours
Max. Marks: 60
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B
S consists of 5 Units. Answer any one full question from each unit. Each question carries
8 marks and may have a, b, c as sub questions.
PART - A
5 ? 4 Marks = 20
1.a)
"Java is strongly typed programming language". Justify your answer.
[4]
b)
List the benefits of inheritance.
[4]
c)
Illustrate all the methods in StringTokenizer class.
[4]
d)
Discuss various Thread Priorities with suitable examples.
[4]
e)
Describe Applet Life Cycle and discuss all the methods.
[4]
PART - B
5 ? 8 Marks = 40
2.a)
Distinguish between constructor overloading and method overloading with suitable
examples.
b)
Explain how does String class is different from the String Buffer class?
[4+4]
OR
3.a)
Discuss about all the iterative statements in java.
b)
Write a Java program to find factorial of given number.
[5+3]
4.a)
Explain static nested class and inner class with examples.
b)
Write a Java program for implementing final methods, final classes.
[4+4]
OR
5.a)
What are the benefits of using packages in JAVA?
b)
How to import one package to another package? Give example.
[4+4]
6.a)
What is Collection Frame work? Write a Java program for creating a Array List.
b)
What are the benefits of Hash Map? Compare Hash Map and Tree Map.
[4+4]
OR
7.a)
How to handle primitive data types using the I/O package? Give suitable examples.
b)
Write a Java program to append the contents for existing file.
[4+4]
8.a)
What are the different ways to handle exceptions?
b)
Write a Java Program to illustrate try with multiple catch statements.
[5+3]
OR
9.a)
What is a single threaded Program? Write a Java Program for implementation of
multithreading.
b)
Write about Daemon threads with examples.
[5+3]
10.a) Discuss about event classes and event listener interfaces in Java?
b) Describe event delegation model in detail.
[5+3]
OR
11.
Write a Java Program to create a Simple GUI form for Bio-Data.
[8]
(Use necessary awt components such as label, textbox, text area, checkbox, list, choice
etc ) Name, Age, Gender, DOB, qualification, Experience, Address, Phone no.
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This post was last modified on 17 March 2023