This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
FirstRanker.com
R13
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
--- Content provided by FirstRanker.com ---
MCA III Semester Examinations, April/May - 2019
JAVA PROGRAMMING
Time: 3 Hours Max. Marks: 60
--- Content provided by FirstRanker.com ---
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 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 x 4 Marks = 20
- a) Describe the Java program structure. [4]
- b) What is the difference between an interface and an abstract class? [4]
- c) Explain the different types of legacy collection classes. [4]
- d) How does Java support inter thread communication? [4]
- e) What are the different types of controls available in AWT? [4]
--- Content provided by FirstRanker.com ---
PART - B
--- Content provided by FirstRanker.com ---
5 x 8 Marks = 40
- a) What is object oriented programming? Explain the need of object oriented programming.
b) What is constructor? What are the rules of constructor? Give an example. [4+4]
OR
- a) List and explain Java Buzz words, in detail.
b) What is constructor overloading? Explain with examples. [4+4] - a) How Packages differ from Interfaces? Explain.
b) What is the importance of CLASSPATH? Discuss. [4+4]
OR--- Content provided by FirstRanker.com ---
- a) What is interface? How to create it? Explain with example.
b) Explain about accessing implementations through interface references. [4+4] - a) Explain about Java commonly used collection classes.
b) Discuss about random access file operations. [4+4]--- Content provided by FirstRanker.com ---
OR
- a) Write about the overview of Java collection framework.
b) Explain the connectionless client/server interaction with diagrams. [4+4] - a) What is thread synchronization? Discuss with an example.
--- Content provided by FirstRanker.com ---
b) Explain the following with necessary code snippets:
1) Creating thread ii) Stopping and Blocking a Thread [4+4]
OR
- a) Explain various thread states and properties in detail.
--- Content provided by FirstRanker.com ---
b) Explain about Exception Handling in Java with examples. [4+4] - a) Describe the different stages in the life cycle of an Applet.
b) Explain the features of Swings in Java. [4+4]
OR
- a) What is AWT? List difference between AWT and swings.
b) Write an applet program to enter personal details. [4+4]
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university