Pachavellam UG-PG

D10558

 D10558    

 FIFTH SEMESTER U.G. DEGREE EXAMINATION, NOVEMBER 2021

 (CBCSS-UG)

 BCA

 BCA 5B 08 JAVA PROGRAMMING

 (2019 Admissions)

 Time Two Hours   Maximum 60 Marks

 Section A (Short Answer Type Questions)

 Answer atleast eight questions.

 Each question carries 3 marks.

 All questions can be attended.

 Overall Ceiling 24.

 1. What is modularity?

 2. What is an abstraction ? Explain.

 3. Explain Comments and Keywords in Java.

 4. What use of continue Statement in Java !

 5. What is Method Overloading in Java? Explain.

 6. What is an abstract class? Explain.

 7. What are the different advantages of using Threads ?

 8. Why we use Java finally block ? Explain.

 9. What is AWT? Explain.

 10. How many types of applets are there in Java ? What are they Explain any one.

 11. How do you pass parameters to an APPLET in Java ? Explain.

 12. Why we use Synchronization ? Explain.

                                                                                                                      (8 x 3 = 24 marks)

 Section B (Short Essay Type Questions)

 Answer atleast five questions.

 Each question carries 5 marks.

 All questions can be attended.

 Overall Ceiling 25.

 13. Explain Java Runtime environment.

 14. What is throws ? What are the difference between throws and throw ? Explain with examples.

 15. Explain packages and import statements with suitable examples. How it is used ? What are the different advantages using of packages in Java ?

 16. List the basic principles object oriented programming. Explain each with suitable example.

 17. How to create a thread in Java Explain each with suitable examples.

 18. What is User Defined Exception in Java ? Why use User Defined/custom exceptions ? Explain.

 19. In Java Programing what is Statement Interface? What are the different commonly used methods of Statement interface?

 (5 × 5 = 25 marks)
 

 Section C (Essay Type Questions)

 Answer any one question.

 The question carries 11 marks.

 20. (a) Explain Structure of the AWT in detail. List of commonly used controls while designed GUI using AWT. Explain each.

 (b) Write a Java program to draw five concentric circles.

                                                                                                                (6½ + 4½ = 11 marks)

 21. (a) Explain Threads Daemon Threads, Thread States and Thread Problems with example.

 (b) Explain with a program, how will you create the thread by implementing runnable interface.

                                                                                                                (5½ + 5½ = 11 marks)

                                                                                                                    (1 × 11 = 11 marks]