MCS-024 Solved Assignment 2021-22

MCS-024 Solved Assignment 2021-22

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Object Oriented Technologies and Java Programming (MCS-024) 2021-2022 (July-January)

Note: There are eight questions in this assignment which carried 80 marks. Rest 20 marks are for viva-voce. Answer all the questions. Give appropriate comments in programs to increase understandability. Wherever required, you may write java program, run it on machine and take its output as part of solution. Please go through the guidelines regarding assignments given in the Program Guide for the format of presentation.

Question 1:
(a) Explain basic concepts of Object Oriented Programming? Explain how data hiding is achieved in java. (5 Marks)
(b) Explain different data types available in java. (5 Marks)

Question 2:
(a) Explain how class is defined in java with the help of a program. Also explain use of getter and setter methods. (4 Marks)
(b) Explain use of static methods in java. (2 Marks)
(c) Write a java program to add two matrices of 4×4 in java. (4 Marks)

MCS-024 Solved Assignment 2021-22

BCA 4th Sem Solved Assignment 2021-22

BCA 4th Sem Assignment 2021-22 Question PDF

Question 3:
Write a java program to create an Account class and define constructors in it. Inherit Saving_Bank_Accountclass andCurrent_Bank_Account class from the Account class. Override constructors of Account class in Saving_Bank_Account and Current_Bank_Account classes. Define appropriate methods to operate these accounts. Make necessary assumptions. Give proper comment in your program to increase redability. (10 Marks)

Question 4:
(a) Explain uses of final and super keywords in java with the help of examples. (4 Marks)
(b) What is a package in Java? Explain accessibility rules for packages. (4 Marks)
(c) Explain advantages of polymorphism with the help of example. (2 Marks)

MCS-024 Solved Assignment 2021-22

BCA 4th Sem Solved Assignment 2021-22

BCA 4th Sem Assignment 2021-22 Question PDF

Question 5:
(a) What is interface? Explain difference between abstract class and interface with the help of examples. Also write advantages of using interfaces in java programming. (6 Marks)
(b) What is an exception? Explain various causes of exceptions. With the help of a program
explain how exceptions are handled in java. (4 Marks)

Question 6:
(a) What is multithreading? Explain how threads are synchronized in java. Also explain various applications where multithreading may be used. Describe how interthread communications takes place in java. (8 Marks)
(b) Create an Applet to draw circle on the basis of input given by user. (2 Marks)

MCS-024 Solved Assignment 2021-22

BCA 4th Sem Solved Assignment 2021-22

BCA 4th Sem Assignment 2021-22 Question PDF

Question 7:
(a) What is object serialization? Explain working and use of object serialization. (3 Marks)
(b) What is layout manager? Explain different layouts available in java for GUI programming.
What is default layout of an applet? Explain how to set the layout of an applet. (7 Marks)

Question 8:
(a) What is proxy server? Explain URL class and its methods in java. (3 Marks)
(b) What is JDBC? Explain the advantages of JDBC. (3 Marks)
(c) Explain use of GET and POST methods of Servlet with the help of examples. (4 Marks)

MCS-024 Solved Assignment 2021-22

MCS-024 Solved Assignment 2021-22

BCA 4th Sem Solved Assignment 2021-22

BCA 4th Sem Assignment 2021-22 Question PDF