Exam Details

Subject programming with java
Paper
Exam / Course mca
Department
Organization acharya nagarjuna university-distance education
Position
Exam Date May, 2017
City, State new delhi, new delhi


Question Paper

MCA DEGREE EXAMINATION, MAY 2017
Second Year
Programming with Java
Time 3 Hours Maximum Marks 70
Section A
Answer any three questions × 15 45]
Q1) Discuss various object oriented programming concepts of Java.
Q2) What is inheritance? Discuss various forms of inheritance in Java.
Q3) Explain the purpose of following keywords with suitable example:
Final ii) Garbage collection
iii) Super iv) Static
Q4) What is an Interface? How it is created? Explain its use with suitable example.
Q5) What is Event Handling in java? List out the available event classes and listener
interfaces with suitable example.
Section B
Answer any five questions of the following × 4 20]
Q6) What is byte code? How does JVM help to implement the platform independence
nature?
Q7) Describe various data types in java and mention its size.
Q8) Write about different access specifiers in java.
Q9) Explain about method over loading with example.
Q10) Differentiate between
Buffered Reader and Buffered Writer.
ii) Byte stream and character streams
Q11) What is an exception? Describe different types of user defined exception.
Q12) Describe applet life cycle with state diagram.
Q13) Briefly explain the following with syntax:
Checkbox
ii) Scrollbar
Section C
Answer all questions × 1
Q14) What is type casting?
Q15) What is wrapper class?
Q16) Define constructor
Q17) Define package
Q18) Define thread


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