Download SGBAU BCA 2019 Summer 5th Sem Core Java Question Paper

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B.C.A. Part—III (Semester—V) Examination

CORE JAVA

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Paper—5ST1

Time : Three Hours] [Maximum Marks : 60

Note :— (1) ALL questions are compulsory.

(2) All questions carry equal marks.

1. (a) What is Java ? Explain the features of Java. 6
   

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   (b) Write a program in Java to demonstrate sum of command line arguments. 6
   OR
2. (a) Explain the Object Oriented Programming Principles. 6
   (b) Explain the various datatypes in Java. 6
3. (a) Explain the class and object in Java with example.
   

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   (b) Explain the use of super keyword in class hierarchy.
   OR
4. (a) What is Constructor ? Explain the constructor overloading. 6
   (b) What is Inheritance ? Explain the types of inheritances in Java.
5. (a) What is Package ? Explain pre-defined packages in Java. 6
   

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   (b) What is the difference between extends and implements keyword in Java ? 6
   OR
6. (a) What are the steps for creating package in Java ? Explain with example. 6
   (b) How does Java support Multiple Inheritance ? Explain with example. 6
7. (a) What is Exception ? Explain the types of exceptions in Java.
   

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   (b) Explain the methods of Thread Class. 6
   OR
8. (a) Explain the use of following keywords :—
   (i) Try
   (ii) Catch
   

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   (iii) Finally. 6
   (b) Write a program in Java to demonstrate multithreaded program.
9. (a) What is Applet ? Explain the life cycle of an Applet. 6
   (b) Explain the mouse and keyboard events in Java. 6
   OR

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10. (a) Explain the Graphical User Interface (GUI) components in Java. 6
    (b) Explain the methods of Applet Class. 6

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