JNTUA MCA 3rd Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
MCA II Semester Supplementary Examinations May 2019
JAVA PROGRAMMING
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(For 2009, 2010, 2011, 2012 (LC), 2013, 2014, 2015 & 2016 admitted batches only)
Time: 3 hours Max. Marks: 60
Answer any FIVE questions
All questions carry equal marks
- Define class and object. Explain constructors and destructor with an example.
- Develop a java program to illustrate the operation of string class to sort an array of strings.
- Explain inheritance with its general format. Give the member access rules with example.
- Discuss how do you implement interfaces demonstrate with a program.
- Write a java program to implement STUDENT database with roll-no, name, marks and compute total method. Use inner classes to define EXAM, SPORTS classes. (Assume necessary data such as (GPA) sports points etc).
- Discuss how to create package and access control mechanism with example.
- Describe linked list class, with its various operations to add, and delete an item from first and last.
- Write in detail about client/server interaction with stream socket connections.
- With syntax explain the use of try, catch, throw, throws and finally for exception handling. Illustrate with example for different exceptions.
- List and explain various swing-components. Discuss any two in detail.
- Compare applet and application. Explain the life cycle of an applet with neat diagram.
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