Download JNTUH MCA 3rd Sem R13 2021 February 813AQ Java Programming Question Paper

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Code No: 813AQ

Time: 2 hours

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Max. Marks: 60

R13

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, February - 2021

JAVA PROGRAMMING

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Answer any five questions

All questions carry equal marks

1. Discuss about for-each loop on Java.
2. Describe class and constructor with an example program.
3. What is method overloading? Explain in detail with example.

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4. Define interface? Explain multiple inheritance concept and implement in Java.
5. What is run time polymorphism? Implement it in Java with an example.
6. Describe inner class in detail.
7. Define Socket and Server Socket classes.
8. Write Java program for client and server communication using Socket.

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9. Describe File Output and File Input Streams. Write a Java program to copy one file into another file.
10. Write a Java program to handle multiple exceptions in Java.
11. Illustrate and explain keyboard event handling mechanism in Java.

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