Download JNTUH MCA 3rd Sem R15 2020 November 823AD Java Programming Question Paper

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Code No: 823AD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA III Semester Examinations, October/ November - 2020

JAVA PROGRAMMING

Time: 2 Hours Max.Marks:75

Answer any five questions

All questions carry equal marks

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1. What are the primary motivation factors for Java language development? How it supports object oriented programming concepts? [15]
2. Define inheritance. What are the benefits of inheritance? Discuss various forms of inheritance with examples. [15]
3. Demonstrate client server communication (exchange of simple hello messages) using socket programming. [15]
4. What are the different states of a thread? Discuss the concept of thread synchronization and Java code segments for this. [15]
5. Describe the Model-View-Controller architecture. Differentiate between applet and application. [7+8]

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6. Write a Java program to demonstrate method overloading. How memory management is done by Java? [7+8]
7. What is a nested class? Compare nested class with inner class. How to define a package? How to access a package? [7+8]
8. Discuss the methods in File class for file management. [15]