Download PTU MCA 2020 March 3rd Sem 70775 Java Programming Question Paper

Roll No.

Total No. of Pages : 02

Total No. of Questions : 09

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MCA (2014 Batch) (Sem.-3)

JAVA PROGRAMMING

Subject Code : MCA-304

M.Code: 70775

Time: 3 Hrs.

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Max. Marks : 100

INSTRUCTION TO CANDIDATES :

1. SECTIONS-A, B, C & D contains TWO questions each carrying TWENTY marks each and students has to attempt any ONE question from each SECTION.
2. SECTION-E is COMPULSORY consisting of TEN questions carrying TWENTY marks in all.
3. Use of non-programmable scientific calculator is allowed.

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SECTION-A

1. Discuss the various features of Java. How Java is different from C/C++?
2. Write various steps to develop, compile and run Java program by taking a suitable example.

SECTION-B

1. How one can implement multiple inheritance in Java? State and prove your answer by giving example.

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2. What are the various techniques to handle Exception in Java? Explain with the help of program example.

SECTION-C

1. What are applets? How one can use an applet in java program? Give example.
2. Write notes on the following :
   1. Event Handling
   2. JDBC

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SECTION-D

1. Explain with the help of suitable diagram for Servlet's life cycle.
2. Differentiate between TCP & UDP sockets. Also explain the various methods associated with TCP & UDP.

SECTION-E

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1. Write briefly :
   1. Enlist Java tokens.
   2. Define Access specifiers.
   3. What is Auto boxing & unboxing in Java?
   4. How Garbage collection is done in java?
   5. Write about String buffer classes.

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   6. What is Scanner class?
   7. Define Error handling in Java.
   8. Define Applets in brief.
   9. What are Servlets in Java?
   10. Write short note on JSP.

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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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