Download PTU B.Sc IT (BCA) 2019 May 4th Semester 12518 CORE JAVA PROGRAMMING Question Paper

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Roll No.

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Total No. of Questions : 07

Total No. of Pages : 02

B.Sc. (IT) (2013 & 2014) (Sem.-4)

CORE JAVA PROGRAMMING

Subject Code : BS-202

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M.Code: 12518

Time: 3 Hrs.

Max. Marks : 60

INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.

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2. SECTION-B contains SIX questions carrying TEN marks each and a student has to attempt any FOUR questions.

SECTION-A

Q1 Answer briefly :

1. Define Abstraction.
2. What is encapsulation?

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3. Name any two benefits of OOPs.
4. "Java is Portable". Comment on the statement.
5. What are literal?
6. What is type casting?
7. Discuss the use of Dot operator.

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8. Write the syntax of For-Loop.
9. Define the term overriding,
10. What are access specifiers?

SECTION-B

Q2 What is Object Oriented Programming? What are major differences between C++ and Java? Explain.

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Q3 What are operators? Differentiate between relational and logical operator by taking some suitable example.

Q4 Explain the following concepts :

1. Multi-Level Inheritance.
2. Wrapper Class.

Q5

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1. What are interfaces? Illustrate by writing a code snippet.
2. Write a program to create a Package. Also access its members.

Q6

1. Differentiate between compile time and runtime error.
2. Write a Java Code to demonstrate Applet.

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Q7 What is Graphics Programming? Explain line and rectangle drawing using Java Code snippet.

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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