Download PTU B.Tech 2021 Jan IT 5th Sem 78258 Programming In Java Question Paper

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Roll No. : [ ] Total No. of Pages : 02

Total No. of Questions : 18

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

PROGRAMMING IN JAVA

Subject Code : BTIT-503-18

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M.Code : 78258

Time : 3 Hrs. Max. Marks : 60

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 have to attempt any FOUR questions.

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3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

Answer briefly :

1. What is JVM?
2. What are limitations of Java programming language?

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3. Why Java is platform independent language?
4. Define abstraction.
5. What is the difference between final and finally?
6. Why Java does not support multiple inheritance?
7. What is the need of super keyword in Java?

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8. What are checked exceptions?
9. What is difference between thread and a process?
10. What is a Socket and advantages of Java Sockets?

SECTION-B

11. Explain the steps involved in creating and executing a Java program.

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12. Write a program in Java to demonstrate Constructors.
13. Explain about interfaces. How they are different from the abstract classes?
14. Explain Multithreading. How Java implements its Thread model?
15. What is an Applet? How applets are different from standalone Java application programs? Discuss.

SECTION-C

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16. Explain in detail that makes Java the most popular, preferable language over the years.
17. What is function overloading? Is operator overloading is possible in Java? Write a program to show the concept of Function overloading using inheritance.
18. What are packages? What is the utility of packages? How packages are created, imported, and used? Discuss with the help of an example. Also, discuss package access protection.

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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