PTU B.Tech CSE 5th Semester May 2019 70595 PROGRAMMING IN JAVA Question Papers

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Roll No. EEEEEEEEEEE Total No. of Pages : 02

Total No. of Questions : 09

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B.Tech. (IT) (2011 Onwards) (Sem.-5)

PROGRAMMING IN JAVA

Subject Code : BTIT-502

M.Code : 70595

Time : 3 Hrs. Max. Marks : 60

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students has to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students has to attempt any TWO questions.

SECTION-A

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Q1 Answer briefly :

1. Use of wrapper class.
2. Java tokens.
3. String buffer.
4. Limitations of Java programming language.

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5. Layout manager.
6. Socket.
7. Difference between throw and throws.
8. This pointer.
9. List the different stages in the life cycles of a thread.

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10. What are applets?

SECTION-B

1. Explain Java garbage collection mechanism.
2. How packages are created and accessed in Java. Briefly explain the naming convention in packages?
3. Explain the steps involved in creating and executing a java program.

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4. Write a Java code that generates custom exception if any value from its command line arguments is negative.
5. Explain the life cycle of applet.

SECTION-C

1. Write a program in Java to find n^th prime number where n is any integer and should be taken as input from the user.
2. Explain the difference between method overriding and method overloading with the help of suitable example.

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3. What is multithreading in Java? Explain the inter thread communication with the help of suitable example.

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