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MCS 024 Solved Assignment 2021-22


MCS 024 Solved Assignment 2021-22

Object Oriented Technologies and Java Programming

MCS 024 Solved Assignment 2021-22 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

Course Code : MCS 024

Course Title : Object Oriented Technologies and Java Programming

Assignment Number : PGDCA(II)/024/Assignment/2021-22

Maximum Marks : 100%

Weightage : 25%

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.


(b) Explain different data types available in java.


Question 2 :

(a)Explain how class is defined in java with the help of a program. Also explain use of getter and setter methods.


(b) Explain use of static methods in java.


(c) Write a java program to add two matrices of 4X4 in java.


Question 3 :

Write a java program to create an Account class and define constructors in it. Inherit Saving_Bank_Account class and Current_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.


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Question 4 :

(a) Explain uses of final and super keywords in java with the help of examples.


(b) What is a package in Java? Explain accessibility rules for packages.


(c) Explain advantages of polymorphism with the help of example.


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.


(b) What is an exception? Explain various causes of exceptions. With the help of a program explain how exceptions are handled in java.


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.


(b) Create an Applet to draw circle on the basis of input given by user.


Question 7 :

(a) What is object serialization? Explain working and use of object serialization.


(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.


Question 8 :

(a) What is proxy server? Explain URL class and its methods in java.


(b) What is JDBC? Explain the advantages of JDBC.


(c) Explain use of GET and POST methods of Servlet with the help of examples.


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MCS 024 Solved Assignment 2021-22 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.


Dear Learner,

You have to submit one assignment in each course, i.e. MCS 024, MCS 024 and MCSL 025. All these are Tutor Marked Assignments (TMAs). Before attempting the assignments, please read the instructions provided in the Programme Guide carefully.

Kindly note, you have to submit these assignments to the Coordinator of your Study Centre within the stipulated time for being eligible to appear in the term-end examination. You must mention your Enrolment Number, Name, Address, Assignment Code and Study Centre Code on the first page of the assignment. You must obtain a receipt from the Study Centre for the assignments submitted and retain it. Keep photocopies of the assignments with you.

After evaluation, the assignments have to be returned to you by the Study Centre. Please insist on this and keep a record with you. The marks obtained by you will be sent by the Study Centre to the Student Evaluation Division at IGNOU, New Delhi.

Guidelines for Doing Assignments

There are five questions in each assignment, all carry equal marks. Attempt all the questions in not more than 500 words (each). You will find it useful to keep the following points in mind:

Planning: Read the assignments carefully. Go through the units on which they are based, make some points regarding each question and then rearrange them in a logical order

Organization and Presentation: Be analytical in your selection of the information for your answer. Give adequate attention to the introduction and the conclusion. Make sure that your answer is logical and coherent; has a proper flow of information.

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