Download JNTUH MCA 3rd Sem R13 2020 November 813AQ Java Programming Question Paper

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Code No: 813AQ R13

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA III Semester Examinations, October/ November - 2020

JAVA PROGRAMMING

Time: 2 Hours Max. Marks: 60

Answer any five questions

All questions carry equal marks

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1. a) Explain various constructors in java and also explain constructor overloading concept. [12]
2. a) Write the features of java and explain them. [12]
3. a) What is inheritance? Write its advantages and describe different types of inheritance. b) How do you implement multilevel inheritance in java, explain with an example. [6+6]
4. a) Explain about dynamic method dispatch with an example. b) Explain about local inner class and anonymous inner class. [6+6]
5. a) Write a program to create random access file in java and display data in random from the created file. [12]

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6. a) Give the overview of any three collection interfaces with examples. b) Implement stack using linked list with the help of collection classes. [6+6]
7. a) Design a java application to handle user defined exception. [12]
8. a) Explain JCheckBox and JRadioButton classes with example program. [12]

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