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Au Degree 3rd Sem Computer Science (2019) Question Paper

By Venkat | February 24, 2021

Andhra University Degree 3rd Semester Computer Science Question Paper of the year 2019 (or maybe 2018) is available here. Check it now.

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Year - 2019
[BS - S 2112] 
B.Sc. (CBCS) DEGREE EXAMINATION. 
Third Semester. 
Part II - Computer Science/Information Technology (IT) 
Paper III - OBJECT ORIENTED PROGRAMMING  USING JAVA 
(Effective from 2015-2016 admitted batch) 
Time: Three hours     Maximum: 75 marks 
PART A — (5 x 5 = 25 marks) 
Answer any FIVE of the following Eight questions.
1. What are the benefits and applications of Object Oriented Programming? 
2. What are constants? Mention the constants supported by Java. 
3. Explain the for statement in Java with example. 
4. When do we declare a method or a class final and abstract? 
5. What is inheritance and how does it help to create new classes quickly? 
6. When should a program throw an exception? Explain. 
7. What is meant by Applet package? 
8. List out byte stream classes. 
PART B - (5 x 10 = 50 marks) 
Answer the following (One from each Unit) 
UNIT I 
9. (a) Distinguish between different data types supported by Java.
(b) List the logical and relational operators available in Java. Explain each of them. 
        Or
10. (a) Write the structure of simple Java program. Demonstrate with an example.
(b) What is meant by byte code? Briefly explain how Java is platform independent. 
UNIT II 
11. (a) Explain the while statement in Java with an example. List the differences between do. while and while statements. 
(b) Write a program to find the roots of a quadratic equation. 
        Or
12. (a) What is constructor? Explain the difference between constructor and destructors. 
(b) Explain different types of constructors with suitable examples. 
UNIT III 
13. (a) What is the difference between overloading and overriding? 
(b) How do you design a class so that it supports cloning? Explain. 
        Or
14. (a) What is the use of wrapper classes? Explain. 
(b) How do you design and implement an interface? 
UNIT IV 
15. How do we set priorities for threads? Describe the complete life cycle of a thread. Write a program to create four threads using runnable interface. 
        Or
16. What is an exception? How is an exception handled in Java? Discuss about the advantages of using exception handling mechanism in a program. 
UNIT V 
17. Explain in detail the process of defining, creating importing and accessing a package with suitable example. 
        Or
18. Explain about stream input/output. Write a Java program to read paragraph from a file and find out number of sentences, words and characters in that paragraph using stream Tokenizer. 
Related
  • Andhra Univesity Degree 1st Sem Question Papers.
  • Andhra Univesity Degree 5th Sem Question Papers.
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AU Degree 3rd Sem AU Degree 3rd Sem 2019 Bsc computer science Previous Question Papers

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  1. Unknown16 March 2021 at 21:49

    Dgree 5th sem dbms paper pettandi plz

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