Download JNTUH MCA 3rd Sem R13 2018 January 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, January - 2018

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 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.

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PART - A 5 x 4 Marks = 20

1. How and Where this reference is used in java programming? [4]
2. What are the different ways of using super keyword? [4]
3. Explain about string tokenizer. [4]
4. Differentiate between checked and unchecked exceptions. [4]

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5. Explain different types of layout managers. [4]

PART - B 5 x 8 Marks = 40

1. a) How does Java implement platform independence?
   b) Explain about method binding. [4+4]
   OR
   

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   a) Discuss about static methods with examples.
   b) Explain different types of parameter passing mechanism available in java. [4+4]
2. a) What is the difference among final, finally and finalize?
   b) Explain about abstract classes. [4+4]
   OR
   

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   What are packages? In how many ways packages can be created? Explain the steps to create packages? [8]
3. Explain about File management using File class. [8]
   OR
   Explain client server interaction with datagrams. [8]
4. What is meant by exceptions? Whether Java is having automatic exception handling mechanism? [8]
   

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   OR
   Differentiate between multi threading and multitasking. [8]
5. a) State and explain with a sample Java program various layout managers?
   b) Discuss how to pass parameters to Applets. [4+4]
   OR
   

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   Explain about various Event Listener interfaces with their syntax. [8]

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