Q9/18D/04-13 Reg. No

St. Joseph’s College of Arts & Science (Autonomous) St. Joseph’s College Road, Cuddalore – 607001 PCA912 - OBJECT ORIENTED PROGRAMMING WITH JAVA

Time : 3 hrs

Max Marks :75 SECTION – A (5X5=25) Answer ALL Questions

1. a) What is Java Virtual Machine? Write a short note on Lexical Issues in Java. (or) b) Describe the various data types in java. 2. a) Describe about classes and objects. (or) b) Discuss about various Access Protection mechanism. 3. a) Write a note on AWT classes. (or) b) Explain about Applet Life cycle. 4. a) Write a note on JSP syntax and semantics. (or) b) What is java script? Write a simple java script program. 5. a) Describe about java swing. (or) b) Write the steps for creating and compiling the servlet source code.

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Q9/18D/04-13 SECTION - B (5X10=50) Answer any FIVE Questions 6. Write a brief note on operators in java with example. 7. Compare and contrast the following control structures with example: i) If..else statement ii) Switch statement iii) Do...while statement iv) While statement 8. Define interface .Write the steps for implementing interfaces. 9. What is a thread? State how synchronization is dealt while using multithreading. 10. Design an applet to display three buttons “Red”, “Green” and “Blue”. The color of the background changes according to the button pressed by the user. Also, write the HTML code to display the applet. 11. With relevant example discuss about Java-database access concept. 12. Write a brief note on Handling HTTP requests and responses. 13. Explain about TCP/IP socket with suitable example.

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