STUDY NOTES UNIT 1 - INTRODUCTION TO OBJECT ORIENTED PROGRAMMING

Size: px
Start display at page:

Download "STUDY NOTES UNIT 1 - INTRODUCTION TO OBJECT ORIENTED PROGRAMMING"

Transcription

1 OBJECT ORIENTED PROGRAMMING STUDY NOTES UNIT 1 - INTRODUCTION TO OBJECT ORIENTED PROGRAMMING 1. Object Oriented Programming Paradigms 2. Comparison of Programming Paradigms 3. Basic Object Oriented Programming Concepts 4. Comparison with C 5. Overview of C++ 6. Pointers 7. Functions 8. Scope and Namespaces 9. Source files and programs. Object Oriented Programming Page 1

2 INTRODUCTION TO OBJECT ORIENTED PROGRAM Procedure Oriented Programming (POP) The high level languages, such as BASIC, COBOL, C, FORTRAN are commonly known as Procedure Oriented Programming. Using this approach, the problem is viewed in sequence of things to be done, like reading, processing and displaying or printing. To carry out these tasks the function concepts must be used. This concept basically consists of number of statements and these statements are organized or grouped into functions. While developing these functions the programmer must care about the data that is being used in various functions. A multi-function program, the data must be declared as global, so that data can be accessed by all the functions within the program & each function can also have its own data called local data. The global data can be accessed anywhere in the program. In large program it is very difficult to identify what data is accessed by which function. In this case we must revised about the external data and as well as the functions that access the global data. At this situation there is so many chances for an error. Object Oriented Programming Page 2

3 Object Oriented Programming (OOP) This programming approach is developed to reduce the some of the drawbacks encountered in the Procedure Oriented Programming Approach. The OO Programming approach treats data as critical element and does not allow the data to freely around the program. It bundles the data more closely to the functions that operate on it; it also protects data from the accidental modification from outside the function. The object oriented programming approach divides the program into number of entities called objects and builds the data and functions that operates on data around the objects. The data of an object can only access by the functions associated with that object. Object Oriented Programming Page 3

4 Comparison of Programming Paradigms S. No. Procedure Oriented Programming (C) Object Oriented Programming (C++) 1. Programs are divided into smaller Sub-programs known as functions. Programs are divides into objects & Classes. 2. New data and functions can be added easily. New data and functions can be added easily. 3. It is a Top-Down Approach It is a Bottom-Up Approach 4. Data cannot be secured and available to all the function Data can be secured and can be available in the class in which it is declared. 5. Here, the reusability is not possible, hence redundant code cannot be avoided. Here, We can reuse the existing one using the Inheritance concept. 6. It does not have any access specifier. It has access specifiers named Public, Private, Protected, etc. 7. Data can move freely from function to function in the system. Objects can move and communicate with each other through member functions. 8. Overloading is not possible. Overloading is possible in the form of Function Overloading and Operator Overloading. 9. Example of POP are : C, VB, FORTRAN, Pascal. Example of OOP are : C++, JAVA, Small talk. Object Oriented Programming Page 4

5 Concepts of OOPS The general concepts of OOPS comprises the following. 1. Object 2. Class 3. Data abstraction 4. Inheritance 5. Polymorphism 6. Dynamic Binding 7. Message passing. 1. Object Object is an entity that can store data and, send and receive messages. They are runtime entities; they may represent a person, a place a bank account, a table of data or any item that the program must handle. It is an instance of a class. They may also represent user-defined data such as vectors, time and lists. When a program is executed, the object interacts by sending messages to one another. Each object contain data and code to manipulate the data objects can interact without having to know details of each other s data or code. It is sufficient to know the type of message accepted and the type of response returned by the objects. 2. Classes A class is a collection of objects of similar type. Classes are user defined data types and behave like the built in types of a programming language. For example mango, apple and orange are members of the class fruit. Then the statement FRUIT MANGO; will create an object mango belonging to the class fruit. The syntax used to Object Oriented Programming Page 5

6 create an object is no different than the syntax used to create an integer object in C. If fruit has been defined as a class, then the statement fruit mango; will create an object mango belonging to the class fruit. 3. Data abstraction and encapsulation: The wrapping up of data and its functions into a single unit (class) is known as encapsulation. The data is not accessible to the outside world and only those functions which are wrapped in the class can assess it> these functions provide the interface between the objects data and the program> this insulation of data from direct access by the program is called DATA HIDING (or data abstraction). Since the classes use the concept of data abstraction they are known as ABSTRACT DATA TYPES (ADT) 4. Inheritance: In heritance is the process by which objects of one class acquire the properties of objects of another class. It supports the concept of hierarchical classification. For example the bird robin is a part of the class flying birds which again a part of bird. As given in the diagram below each derived class shares common characteristics with the class from which it is derived. In OOP, the concept of inheritance provides the idea of reusability. This means that we can add additional features to an existing class without modifying it. This is possible by deriving a new class from the existing one. The new class will have the combined features of both the classes. The real appeal and power of the inheritance mechanism is that it allows the programmer to reuse a class that is almost, but not exactly, what he wants. Object Oriented Programming Page 6

7 5. Polymorphism: Polymorphism means the ability to take more than one form. For example an operation may exhibit different behavior in different instances. The behavior depends upon the types of data used in the operation. For example consider the operation addition. For two numbers, the operation will generate a sum. if the operands are strings, then the operation would produce a third string by concatenation. Here in the below given diagram a single function draw () does different operation according to the behavior of the type derived. I.e. Draw () function works in different form. Polymorphism plays an important role in allowing objects having internal structures to share the same external interface. This means that a general class of operations may Object Oriented Programming Page 7

8 be accessed in the same manner even though specific actions associated with each operation may differ. Polymorphism is extensively used in inheritance. 6. Dynamic Binding Dynamic binding means that the code associated with a given procedure call is not known until the time of the call at run-time. It is associated with polymorphism and inheritance. A function call is associated with a polymorphic reference depends on the dynamic type of that reference. 7. Message Communication An object oriented program consists of a set of objects that communicate with each other. Objects communicate with one another by sending and receiving information much the same way as people pass messages to one another. Objects have a life cycle. They can be created and destroyed. Communication with an object is feasible as long as it is alive. Benefits or Advantages of OOPS The complexity of software can be managed easily. Data hiding concept help the programmer to build secure programs Through the class concept we can define the user defined data type The inheritance concept can be used to eliminate redundant code The message-passing concept helps the programmer to communicate between different objects. New data and functions can be easily added whenever necessary. OOPS ties data elements more closely to the functions that operates on. Basics of C++ Programming: C++ was developed by BJARNE STROUSSTRUP at AT&T BELL Laboratories in Murry Hill, USA in early 1980 s. Strousstrup combines the features of C language and SIMULA67 to create more powerful language that support OOPS concepts, and that language was named as C with CLASSES. In late 1983, the name got changed to C++. Object Oriented Programming Page 8

9 The idea of C++ comes from C language increment operator (++) means more additions. C++ is the superset of C language or extension of C language, most of the C language features can also applied to C++, but the object oriented features (Classes, Inheritance, Polymorphism, Overloading) makes the C++ truly as Object Oriented Programming language. Structure of C++ Program Section 1 : Header File Declaration Section 1. Header files used in the program are listed in this section. 2. Header File provides Prototype declaration for different library functions. 3. We can also include user define header file. 4. Basically all preprocessor directives are written in this section. Include files provides instructions to the compiler to link functions from the system library. Eg: #include <iostream.h> #include Preprocessor Directive iostream.h Header File Object Oriented Programming Page 9

10 Section 2 : Global Declaration Section 1. Global Variables are declared here. 2. Global Declaration may include Declaring Structure Declaring Class Declaring Variable Section 3 : Class Declaration Section 1. Actually this section can be considered as sub section for the global declaration section. 2. Class declaration and all methods of that class are defined here. 3. A class is a way to bind and its associated functions together. It is a user defined datatype. It must be declared at class declaration part. Section 4 : Main Function 1. Each and every C++ program always starts with main function. 2. This is entry point for all the function. Each and every method is called indirectly through main. 3. We can create class objects in the main. 4. Operating system call this function automatically. main( ) {... } Program execution begins at the opening brace and ends at the closing brace. The closing brace of the main function is the logical and of the program. Section 5 : Method Definition Section 1. This is optional section. Generally this method was used in C Programming. 2. Member function definition describes how the class functions are implemented. This must be the next part of the C++ program. Object Oriented Programming Page 10

11 Input / Output Statements Input Stream Syntax: cin >> var1 >> var2 >>; cin is a keyword, it is an object, predefined in C++ to correspond to the standard input stream. >> is the extraction or get from operator. Extraction operation (>>) takes the value from the stream object on its left and places it in the variable on its right. Eg: cin>>x; cin>>a>>b>>c; Output Stream: Syntax: cout<<var1<<var2; cout is a keyword, predefined object of standard output stream << is called the insertion or put to operator. It directs the contents of the variable on its right to the object on its left. Output stream can be used to display messages on output screen. Eg: cout<<a<<b; cout<< value of x is <<x; cout<< Value of x is <<x<< less than <<y; Tokens The smallest individual units in a program are known as tokens. C++ has the following tokens Keywords Identifiers Constants Strings Operators Object Oriented Programming Page 11

12 Keywords It has a predefined meaning and cannot be changed by the user Keywords cannot be used as names for the program variables. Keywords supported by C++ are: asm auto break case catch char class const continue default delete do double else enum extern float for friend goto if inline int long new operator private protected public register return short signed sizeof static struct switch template this throw try typedef union unsigned virtual void volatile while The specific C++ Keywords There are several keywords specific to C++ asn catch class delete friend inline new operator private protected public template this throw try virtual Identifiers Identifiers refer to the names of variables, functions, arrays, classes, etc. created by the programmer. Rules for naming these identifiers: 1. Only alphabetic characters, digits and underscores are permitted. 2. The name cannot start with a digit. 3. Uppercase and lowercase letters are distinct. 4. A declared keyword cannot be used as a variable name. Object Oriented Programming Page 12

13 (i) Variables: It is an entity whose value can be changed during program execution and is known to the program by a name. Eg: A variable can hold only one value at a time during program execution. Allowable variable names Invalid names i 1_B 1 st letter must be alphabet sum $xy - 1 st letter must be alphabet A_B x+b - special symbol + not allowed A-1B Declaration of Variables Syntax datatype variablename; There are 2 features of variables which are supported by C++. They are, (i) (ii) Dynamic Initialization of Variable Reference Variable (i) Dynamic initialization of variable In C language, al the variables should be declared only at the beginning of the program. But in C ++, they can be initialized wherever it is necessary in the program. Eg. Program: void main() { int sum=0; for(int i=1;i<=10;i++) { } sum=sum+i; int avg=sum/10; //Dynamic initialization of avg cout<< Sum is <<sum; cout<< Average is <<avg; Object Oriented Programming Page 13

14 Output: Sum is 55 } Average is 5.5 (ii) Reference Variable: Eg: A reference variable provides an alias (alternative name) for a previously defined variable. For example, if we make the variable total a reference to the variable sum, then total & sum can be used interchangeably to represent that variable. A reference variable is created as follows: datatype & ref_name = var_name; float sum = 100; float & total = sum; cout << sum << total; Both the variables refer to the same data object in the memory i.e. total sum 100 Eg. Program: void main() { int sum=0; for(int i=1;i<=10;i++) { } sum=sum+i; int avg=sum/10; int &total=sum; cout<< Sum is <<total; cout<< Average is <<avg; } //Dynamic initialization of avg //Alias name for sum is total Object Oriented Programming Page 14

15 Output: Sum is 55 Average is 5.5 Datatype It is the type of data, that is going to be processed within the program. A variable can be declared anywhere in the program before its first use. Type Conversion: (i) Implicit type conversion (ii) Explicit type conversion Implicit type conversion It will be done by the compiler, by following the rule of lower type converted to higher type. Eg: int y = 10; float z = 10.5,x; x = y+z; (y is converted to float type by compiler) Object Oriented Programming Page 15

16 x = x= 20.5 (result var. x is must be float) Explicit type conversion It will be performed by the programmer. According to the need of this in the program. Syntax: datatype (var) Eg: int y = 10; float z = 2.5;(resultant type of y+z is float, that is converted explicitly to int type) x = int (y + z); Now the result is of int type. Constants A quantity that does not change is known as constants. Types of constants: Integer constants- - Eg: 123, 25 without decimal point Character constants - Eg: A, B, *, 1 Real constants - Eg: 12.3, with decimal point Strings A sequence of characters is called string. String constants are enclosed in double quotes as follows Hello Operators This is a SAMPLE (Few pages have been extracted from the complete notes:-it s meant to show you the topics covered in the full notes and as per the course outline Download more at our websites: To get the complete notes either in softcopy form or in Hardcopy

17 (printed & Binded) form, contact us on: Call/text/whatsApp / Get news and updates by liking our page on facebook and follow us on Twitter Sample/preview is NOT FOR SALE

PROGRAMMING IN C++ COURSE CONTENT

PROGRAMMING IN C++ COURSE CONTENT PROGRAMMING IN C++ 1 COURSE CONTENT UNIT I PRINCIPLES OF OBJECT ORIENTED PROGRAMMING 2 1.1 Procedure oriented Programming 1.2 Object oriented programming paradigm 1.3 Basic concepts of Object Oriented

More information

Object Oriented Programming. C++ 6 th Sem, A Div Ms. Mouna M. Naravani

Object Oriented Programming. C++ 6 th Sem, A Div Ms. Mouna M. Naravani Object Oriented Programming C++ 6 th Sem, A Div 2018-19 Ms. Mouna M. Naravani Object Oriented Programming (OOP) removes some of the flaws encountered in POP. In OOPs, the primary focus is on data rather

More information

Programming in C++ 4. The lexical basis of C++

Programming in C++ 4. The lexical basis of C++ Programming in C++ 4. The lexical basis of C++! Characters and tokens! Permissible characters! Comments & white spaces! Identifiers! Keywords! Constants! Operators! Summary 1 Characters and tokens A C++

More information

Tokens, Expressions and Control Structures

Tokens, Expressions and Control Structures 3 Tokens, Expressions and Control Structures Tokens Keywords Identifiers Data types User-defined types Derived types Symbolic constants Declaration of variables Initialization Reference variables Type

More information

Object Oriented Pragramming (22316)

Object Oriented Pragramming (22316) Chapter 1 Principles of Object Oriented Programming (14 Marks) Q1. Give Characteristics of object oriented programming? Or Give features of object oriented programming? Ans: 1. Emphasis (focus) is on data

More information

6.096 Introduction to C++ January (IAP) 2009

6.096 Introduction to C++ January (IAP) 2009 MIT OpenCourseWare http://ocw.mit.edu 6.096 Introduction to C++ January (IAP) 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms. Welcome to 6.096 Lecture

More information

UEE1302 (1102) F10: Introduction to Computers and Programming

UEE1302 (1102) F10: Introduction to Computers and Programming Computational Intelligence on Automation Lab @ NCTU Learning Objectives UEE1302 (1102) F10: Introduction to Computers and Programming Programming Lecture 00 Programming by Example Introduction to C++ Origins,

More information

Character Set. The character set of C represents alphabet, digit or any symbol used to represent information. Digits 0, 1, 2, 3, 9

Character Set. The character set of C represents alphabet, digit or any symbol used to represent information. Digits 0, 1, 2, 3, 9 Character Set The character set of C represents alphabet, digit or any symbol used to represent information. Types Uppercase Alphabets Lowercase Alphabets Character Set A, B, C, Y, Z a, b, c, y, z Digits

More information

+2 Volume II OBJECT TECHNOLOGY OBJECTIVE QUESTIONS R.Sreenivasan SanThome HSS, Chennai-4. Chapter -1

+2 Volume II OBJECT TECHNOLOGY OBJECTIVE QUESTIONS R.Sreenivasan SanThome HSS, Chennai-4. Chapter -1 Chapter -1 1. Object Oriented programming is a way of problem solving by combining data and operation 2.The group of data and operation are termed as object. 3.An object is a group of related function

More information

Interview Questions of C++

Interview Questions of C++ Interview Questions of C++ Q-1 What is the full form of OOPS? Ans: Object Oriented Programming System. Q-2 What is a class? Ans: Class is a blue print which reflects the entities attributes and actions.

More information

Chapter 15 - C++ As A "Better C"

Chapter 15 - C++ As A Better C Chapter 15 - C++ As A "Better C" Outline 15.1 Introduction 15.2 C++ 15.3 A Simple Program: Adding Two Integers 15.4 C++ Standard Library 15.5 Header Files 15.6 Inline Functions 15.7 References and Reference

More information

CS201 - Introduction to Programming Glossary By

CS201 - Introduction to Programming Glossary By CS201 - Introduction to Programming Glossary By #include : The #include directive instructs the preprocessor to read and include a file into a source code file. The file name is typically enclosed with

More information

Introduction to C++ Systems Programming

Introduction to C++ Systems Programming Introduction to C++ Systems Programming Introduction to C++ Syntax differences between C and C++ A Simple C++ Example C++ Input/Output C++ Libraries C++ Header Files Another Simple C++ Example Inline Functions

More information

UNIT- 3 Introduction to C++

UNIT- 3 Introduction to C++ UNIT- 3 Introduction to C++ C++ Character Sets: Letters A-Z, a-z Digits 0-9 Special Symbols Space + - * / ^ \ ( ) [ ] =!= . $, ; : %! &? _ # = @ White Spaces Blank spaces, horizontal tab, carriage

More information

OBJECT ORIENTED PROGRAMMING USING C++ CSCI Object Oriented Analysis and Design By Manali Torpe

OBJECT ORIENTED PROGRAMMING USING C++ CSCI Object Oriented Analysis and Design By Manali Torpe OBJECT ORIENTED PROGRAMMING USING C++ CSCI 5448- Object Oriented Analysis and Design By Manali Torpe Fundamentals of OOP Class Object Encapsulation Abstraction Inheritance Polymorphism Reusability C++

More information

Short Notes of CS201

Short Notes of CS201 #includes: Short Notes of CS201 The #include directive instructs the preprocessor to read and include a file into a source code file. The file name is typically enclosed with < and > if the file is a system

More information

OBJECT ORIENTED PROGRAMMING. Ms. Ajeta Nandal C.R.Polytechnic,Rohtak

OBJECT ORIENTED PROGRAMMING. Ms. Ajeta Nandal C.R.Polytechnic,Rohtak OBJECT ORIENTED PROGRAMMING Ms. Ajeta Nandal C.R.Polytechnic,Rohtak OBJECT ORIENTED PARADIGM Object 2 Object 1 Data Data Function Function Object 3 Data Function 2 WHAT IS A MODEL? A model is an abstraction

More information

UNIT - I. Introduction to C Programming. BY A. Vijay Bharath

UNIT - I. Introduction to C Programming. BY A. Vijay Bharath UNIT - I Introduction to C Programming Introduction to C C was originally developed in the year 1970s by Dennis Ritchie at Bell Laboratories, Inc. C is a general-purpose programming language. It has been

More information

University of Technology. Laser & Optoelectronics Engineering Department. C++ Lab.

University of Technology. Laser & Optoelectronics Engineering Department. C++ Lab. University of Technology Laser & Optoelectronics Engineering Department C++ Lab. Second week Variables Data Types. The usefulness of the "Hello World" programs shown in the previous section is quite questionable.

More information

AN OVERVIEW OF C++ 1

AN OVERVIEW OF C++ 1 AN OVERVIEW OF C++ 1 OBJECTIVES Introduction What is object-oriented programming? Two versions of C++ C++ console I/O C++ comments Classes: A first look Some differences between C and C++ Introducing function

More information

STRUCTURING OF PROGRAM

STRUCTURING OF PROGRAM Unit III MULTIPLE CHOICE QUESTIONS 1. Which of the following is the functionality of Data Abstraction? (a) Reduce Complexity (c) Parallelism Unit III 3.1 (b) Binds together code and data (d) None of the

More information

Variables. Data Types.

Variables. Data Types. Variables. Data Types. The usefulness of the "Hello World" programs shown in the previous section is quite questionable. We had to write several lines of code, compile them, and then execute the resulting

More information

Unit 1 : Principles of object oriented programming

Unit 1 : Principles of object oriented programming Unit 1 : Principles of object oriented programming Difference Between Procedure Oriented Programming (POP) & Object Oriented Programming (OOP) Divided Into Importance Procedure Oriented Programming In

More information

PART I. Part II Answer to all the questions 1. What is meant by a token? Name the token available in C++.

PART I.   Part II Answer to all the questions 1. What is meant by a token? Name the token available in C++. Unit - III CHAPTER - 9 INTRODUCTION TO C++ Choose the correct answer. PART I 1. Who developed C++? (a) Charles Babbage (b) Bjarne Stroustrup (c) Bill Gates (d) Sundar Pichai 2. What was the original name

More information

Programming Fundamentals. With C++ Variable Declaration, Evaluation and Assignment 1

Programming Fundamentals. With C++ Variable Declaration, Evaluation and Assignment 1 300580 Programming Fundamentals 3 With C++ Variable Declaration, Evaluation and Assignment 1 Today s Topics Variable declaration Assignment to variables Typecasting Counting Mathematical functions Keyboard

More information

MAHALAKSHMI ENGINEERING COLLEGE B TIRUCHIRAPALLI

MAHALAKSHMI ENGINEERING COLLEGE B TIRUCHIRAPALLI MAHALAKSHMI ENGINEERING COLLEGE B TIRUCHIRAPALLI 621213 DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING Sub code: CS2203 SEM: III Sub Name: Object Oriented Programming Year: II UNIT-I PART-A 1. What is

More information

ME240 Computation for Mechanical Engineering. Lecture 4. C++ Data Types

ME240 Computation for Mechanical Engineering. Lecture 4. C++ Data Types ME240 Computation for Mechanical Engineering Lecture 4 C++ Data Types Introduction In this lecture we will learn some fundamental elements of C++: Introduction Data Types Identifiers Variables Constants

More information

Presented By : Gaurav Juneja

Presented By : Gaurav Juneja Presented By : Gaurav Juneja Introduction C is a general purpose language which is very closely associated with UNIX for which it was developed in Bell Laboratories. Most of the programs of UNIX are written

More information

Programming. C++ Basics

Programming. C++ Basics Programming C++ Basics Introduction to C++ C is a programming language developed in the 1970s with the UNIX operating system C programs are efficient and portable across different hardware platforms C++

More information

Binghamton University. CS-211 Fall Syntax. What the Compiler needs to understand your program

Binghamton University. CS-211 Fall Syntax. What the Compiler needs to understand your program Syntax What the Compiler needs to understand your program 1 Pre-Processing Any line that starts with # is a pre-processor directive Pre-processor consumes that entire line Possibly replacing it with other

More information

UNIT-2 Introduction to C++

UNIT-2 Introduction to C++ UNIT-2 Introduction to C++ C++ CHARACTER SET Character set is asset of valid characters that a language can recognize. A character can represents any letter, digit, or any other sign. Following are some

More information

Get Unique study materials from

Get Unique study materials from Downloaded from www.rejinpaul.com VALLIAMMAI ENGNIEERING COLLEGE SRM Nagar, Kattankulathur 603203. DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING Year & Semester : IV Section : EEE - 1 & 2 Subject Code

More information

Syntax and Variables

Syntax and Variables Syntax and Variables What the Compiler needs to understand your program, and managing data 1 Pre-Processing Any line that starts with # is a pre-processor directive Pre-processor consumes that entire line

More information

DEPARTMENT OF MATHS, MJ COLLEGE

DEPARTMENT OF MATHS, MJ COLLEGE T. Y. B.Sc. Mathematics MTH- 356 (A) : Programming in C Unit 1 : Basic Concepts Syllabus : Introduction, Character set, C token, Keywords, Constants, Variables, Data types, Symbolic constants, Over flow,

More information

Object-Oriented Programming (OOP) Fundamental Principles of OOP

Object-Oriented Programming (OOP) Fundamental Principles of OOP Object-Oriented Programming (OOP) O b j e c t O r i e n t e d P r o g r a m m i n g 1 Object-oriented programming is the successor of procedural programming. The problem with procedural programming is

More information

VALLIAMMAI ENGINEERING COLLEGE

VALLIAMMAI ENGINEERING COLLEGE VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203 DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING QUESTION BANK B.E. - Electrical and Electronics Engineering IV SEMESTER CS6456 - OBJECT ORIENTED

More information

CS 6456 OBJCET ORIENTED PROGRAMMING IV SEMESTER/EEE

CS 6456 OBJCET ORIENTED PROGRAMMING IV SEMESTER/EEE CS 6456 OBJCET ORIENTED PROGRAMMING IV SEMESTER/EEE PART A UNIT I 1. Differentiate object oriented programming from procedure oriented programming. 2. Define abstraction and encapsulation. 3. Differentiate

More information

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING OBJECT ORIENTED PROGRAMMING CLASS : THIRD SEMESTER CSE

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING OBJECT ORIENTED PROGRAMMING CLASS : THIRD SEMESTER CSE DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING OBJECT ORIENTED PROGRAMMING CLASS : THIRD SEMESTER CSE UNIT I 1. State the characteristics of procedure oriented programming. Emphasis is on algorithm. Large

More information

DECLARATIONS. Character Set, Keywords, Identifiers, Constants, Variables. Designed by Parul Khurana, LIECA.

DECLARATIONS. Character Set, Keywords, Identifiers, Constants, Variables. Designed by Parul Khurana, LIECA. DECLARATIONS Character Set, Keywords, Identifiers, Constants, Variables Character Set C uses the uppercase letters A to Z. C uses the lowercase letters a to z. C uses digits 0 to 9. C uses certain Special

More information

Basic Types, Variables, Literals, Constants

Basic Types, Variables, Literals, Constants Basic Types, Variables, Literals, Constants What is in a Word? A byte is the basic addressable unit of memory in RAM Typically it is 8 bits (octet) But some machines had 7, or 9, or... A word is the basic

More information

Downloaded from

Downloaded from Unit I Chapter -1 PROGRAMMING IN C++ Review: C++ covered in C++ Q1. What are the limitations of Procedural Programming? Ans. Limitation of Procedural Programming Paradigm 1. Emphasis on algorithm rather

More information

1. Describe History of C++? 2. What is Dev. C++? 3. Why Use Dev. C++ instead of C++ DOS IDE?

1. Describe History of C++? 2. What is Dev. C++? 3. Why Use Dev. C++ instead of C++ DOS IDE? 1. Describe History of C++? The C++ programming language has a history going back to 1979, when Bjarne Stroustrup was doing work for his Ph.D. thesis. One of the languages Stroustrup had the opportunity

More information

Instantiation of Template class

Instantiation of Template class Class Templates Templates are like advanced macros. They are useful for building new classes that depend on already existing user defined classes or built-in types. Example: stack of int or stack of double

More information

Objectives. Chapter 2: Basic Elements of C++ Introduction. Objectives (cont d.) A C++ Program (cont d.) A C++ Program

Objectives. Chapter 2: Basic Elements of C++ Introduction. Objectives (cont d.) A C++ Program (cont d.) A C++ Program Objectives Chapter 2: Basic Elements of C++ In this chapter, you will: Become familiar with functions, special symbols, and identifiers in C++ Explore simple data types Discover how a program evaluates

More information

Chapter 2: Basic Elements of C++

Chapter 2: Basic Elements of C++ Chapter 2: Basic Elements of C++ Objectives In this chapter, you will: Become familiar with functions, special symbols, and identifiers in C++ Explore simple data types Discover how a program evaluates

More information

Chapter 2: Basic Elements of C++ Objectives. Objectives (cont d.) A C++ Program. Introduction

Chapter 2: Basic Elements of C++ Objectives. Objectives (cont d.) A C++ Program. Introduction Chapter 2: Basic Elements of C++ C++ Programming: From Problem Analysis to Program Design, Fifth Edition 1 Objectives In this chapter, you will: Become familiar with functions, special symbols, and identifiers

More information

Data Structures using OOP C++ Lecture 3

Data Structures using OOP C++ Lecture 3 References: th 1. E Balagurusamy, Object Oriented Programming with C++, 4 edition, McGraw-Hill 2008. 2. Robert L. Kruse and Alexander J. Ryba, Data Structures and Program Design in C++, Prentice-Hall 2000.

More information

Data Types and Variables in C language

Data Types and Variables in C language Data Types and Variables in C language Basic structure of C programming To write a C program, we first create functions and then put them together. A C program may contain one or more sections. They are

More information

CHAPTER 4 FUNCTIONS. 4.1 Introduction

CHAPTER 4 FUNCTIONS. 4.1 Introduction CHAPTER 4 FUNCTIONS 4.1 Introduction Functions are the building blocks of C++ programs. Functions are also the executable segments in a program. The starting point for the execution of a program is main

More information

LECTURE 02 INTRODUCTION TO C++

LECTURE 02 INTRODUCTION TO C++ PowerPoint Slides adapted from *Starting Out with C++: From Control Structures through Objects, 7/E* by *Tony Gaddis* Copyright 2012 Pearson Education Inc. COMPUTER PROGRAMMING LECTURE 02 INTRODUCTION

More information

Features of C. Portable Procedural / Modular Structured Language Statically typed Middle level language

Features of C. Portable Procedural / Modular Structured Language Statically typed Middle level language 1 History C is a general-purpose, high-level language that was originally developed by Dennis M. Ritchie to develop the UNIX operating system at Bell Labs. C was originally first implemented on the DEC

More information

C Language, Token, Keywords, Constant, variable

C Language, Token, Keywords, Constant, variable C Language, Token, Keywords, Constant, variable A language written by Brian Kernighan and Dennis Ritchie. This was to be the language that UNIX was written in to become the first "portable" language. C

More information

Unit-II Programming and Problem Solving (BE1/4 CSE-2)

Unit-II Programming and Problem Solving (BE1/4 CSE-2) Unit-II Programming and Problem Solving (BE1/4 CSE-2) Problem Solving: Algorithm: It is a part of the plan for the computer program. An algorithm is an effective procedure for solving a problem in a finite

More information

CHAPTER 1.2 INTRODUCTION TO C++ PROGRAMMING. Dr. Shady Yehia Elmashad

CHAPTER 1.2 INTRODUCTION TO C++ PROGRAMMING. Dr. Shady Yehia Elmashad CHAPTER 1.2 INTRODUCTION TO C++ PROGRAMMING Dr. Shady Yehia Elmashad Outline 1. Introduction to C++ Programming 2. Comment 3. Variables and Constants 4. Basic C++ Data Types 5. Simple Program: Printing

More information

Sri Vidya College of Engineering & Technology

Sri Vidya College of Engineering & Technology UNIT I INTRODUCTION TO OOP AND FUNDAMENTALS OF JAVA 1. Define OOP. Part A Object-Oriented Programming (OOP) is a methodology or paradigm to design a program using classes and objects. It simplifies the

More information

DHANALAKSHMI COLLEGE OF ENGINEERING, CHENNAI DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CS6456 OBJECT ORIENTED PROGRAMMING

DHANALAKSHMI COLLEGE OF ENGINEERING, CHENNAI DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CS6456 OBJECT ORIENTED PROGRAMMING DHANALAKSHMI COLLEGE OF ENGINEERING, CHENNAI DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CS6456 OBJECT ORIENTED PROGRAMMING Unit I : OVERVIEW PART A (2 Marks) 1. Give some characteristics of procedure-oriented

More information

Programming and Data Structures

Programming and Data Structures Programming and Data Structures Teacher: Sudeshna Sarkar sudeshna@cse.iitkgp.ernet.in Department of Computer Science and Engineering Indian Institute of Technology Kharagpur #include int main()

More information

Fast Introduction to Object Oriented Programming and C++

Fast Introduction to Object Oriented Programming and C++ Fast Introduction to Object Oriented Programming and C++ Daniel G. Aliaga Note: a compilation of slides from Jacques de Wet, Ohio State University, Chad Willwerth, and Daniel Aliaga. Outline Programming

More information

What are the characteristics of Object Oriented programming language?

What are the characteristics of Object Oriented programming language? What are the various elements of OOP? Following are the various elements of OOP:- Class:- A class is a collection of data and the various operations that can be performed on that data. Object- This is

More information

Computer Science & Information Technology (CS) Rank under AIR 100. Examination Oriented Theory, Practice Set Key concepts, Analysis & Summary

Computer Science & Information Technology (CS) Rank under AIR 100. Examination Oriented Theory, Practice Set Key concepts, Analysis & Summary GATE- 2016-17 Postal Correspondence 1 C-Programming Computer Science & Information Technology (CS) 20 Rank under AIR 100 Postal Correspondence Examination Oriented Theory, Practice Set Key concepts, Analysis

More information

Differentiate Between Keywords and Identifiers

Differentiate Between Keywords and Identifiers History of C? Why we use C programming language Martin Richards developed a high-level computer language called BCPL in the year 1967. The intention was to develop a language for writing an operating system(os)

More information

SRM ARTS AND SCIENCE COLLEGE SRM NAGAR, KATTANKULATHUR

SRM ARTS AND SCIENCE COLLEGE SRM NAGAR, KATTANKULATHUR SRM ARTS AND SCIENCE COLLEGE SRM NAGAR, KATTANKULATHUR 603203 DEPARTMENT OF COMPUTER SCIENCE & APPLICATIONS QUESTION BANK (2017-2018) Course / Branch : M.Sc CST Semester / Year : EVEN / II Subject Name

More information

CS6301 PROGRAMMING AND DATA STRUCTURES II QUESTION BANK UNIT-I 2-marks ) Give some characteristics of procedure-oriented language. Emphasis is on doing things (algorithms). Larger programs are divided

More information

INTRODUCTION 1 AND REVIEW

INTRODUCTION 1 AND REVIEW INTRODUTION 1 AND REVIEW hapter SYS-ED/ OMPUTER EDUATION TEHNIQUES, IN. Programming: Advanced Objectives You will learn: Program structure. Program statements. Datatypes. Pointers. Arrays. Structures.

More information

Hierarchical inheritance: Contains one base class and multiple derived classes of the same base class.

Hierarchical inheritance: Contains one base class and multiple derived classes of the same base class. 1. What is C#? C# (pronounced "C sharp") is a simple, modern, object oriented, and type safe programming language. It will immediately be familiar to C and C++ programmers. C# combines the high productivity

More information

A Fast Review of C Essentials Part I

A Fast Review of C Essentials Part I A Fast Review of C Essentials Part I Structural Programming by Z. Cihan TAYSI Outline Program development C Essentials Functions Variables & constants Names Formatting Comments Preprocessor Data types

More information

Programming Fundamentals (CS 302 ) Dr. Ihsan Ullah. Lecturer Department of Computer Science & IT University of Balochistan

Programming Fundamentals (CS 302 ) Dr. Ihsan Ullah. Lecturer Department of Computer Science & IT University of Balochistan Programming Fundamentals (CS 302 ) Dr. Ihsan Ullah Lecturer Department of Computer Science & IT University of Balochistan 1 Outline p Introduction p Program development p C language and beginning with

More information

Introduce C# as Object Oriented programming language. Explain, tokens,

Introduce C# as Object Oriented programming language. Explain, tokens, Module 2 98 Assignment 1 Introduce C# as Object Oriented programming language. Explain, tokens, lexicals and control flow constructs. 99 The C# Family Tree C Platform Independence C++ Object Orientation

More information

CS201 Some Important Definitions

CS201 Some Important Definitions CS201 Some Important Definitions For Viva Preparation 1. What is a program? A program is a precise sequence of steps to solve a particular problem. 2. What is a class? We write a C++ program using data

More information

Object-Oriented Programming

Object-Oriented Programming Object-Oriented Programming 1. What is object-oriented programming (OOP)? OOP is a technique to develop logical modules, such as classes that contain properties, methods, fields, and events. An object

More information

Dr. Md. Humayun Kabir CSE Department, BUET

Dr. Md. Humayun Kabir CSE Department, BUET C++ Dr. Md. Humayun Kabir CSE Department, BUET History of C++ Invented by Bjarne Stroustrup at Bell Lab in 1979 Initially known as C with Classes Classes and Basic Inheritance The name was changed to C++

More information

Appendix. Grammar. A.1 Introduction. A.2 Keywords. There is no worse danger for a teacher than to teach words instead of things.

Appendix. Grammar. A.1 Introduction. A.2 Keywords. There is no worse danger for a teacher than to teach words instead of things. A Appendix Grammar There is no worse danger for a teacher than to teach words instead of things. Marc Block Introduction keywords lexical conventions programs expressions statements declarations declarators

More information

Chapter 2: Introduction to C++

Chapter 2: Introduction to C++ Chapter 2: Introduction to C++ Copyright 2010 Pearson Education, Inc. Copyright Publishing as 2010 Pearson Pearson Addison-Wesley Education, Inc. Publishing as Pearson Addison-Wesley 2.1 Parts of a C++

More information

Chapter 2: Special Characters. Parts of a C++ Program. Introduction to C++ Displays output on the computer screen

Chapter 2: Special Characters. Parts of a C++ Program. Introduction to C++ Displays output on the computer screen Chapter 2: Introduction to C++ 2.1 Parts of a C++ Program Copyright 2009 Pearson Education, Inc. Copyright 2009 Publishing Pearson as Pearson Education, Addison-Wesley Inc. Publishing as Pearson Addison-Wesley

More information

VARIABLES AND CONSTANTS

VARIABLES AND CONSTANTS UNIT 3 Structure VARIABLES AND CONSTANTS Variables and Constants 3.0 Introduction 3.1 Objectives 3.2 Character Set 3.3 Identifiers and Keywords 3.3.1 Rules for Forming Identifiers 3.3.2 Keywords 3.4 Data

More information

MAN4A OBJECT ORIENTED PROGRAMMING WITH C++ Unit I - V

MAN4A OBJECT ORIENTED PROGRAMMING WITH C++ Unit I - V MAN4A OBJECT ORIENTED PROGRAMMING WITH C++ Unit I - V MAN4B Object Oriented Programming with C++ 1 UNIT 1 Syllabus Principles of object oriented programming(oops), object-oriented paradigm. Advantages

More information

COMPUTER PROGRAMMING NUMERICAL METHODS

COMPUTER PROGRAMMING NUMERICAL METHODS COMPUTER PROGRAMMING AND NUMERICAL METHODS (For B.E./B.Tech Engineering Students) As per New Revised Syllabus of APJ Abdul Kalam Technological University COMPUTER PROGRAMMING NUMERICAL METHODS Dr. G. Mathivanan

More information

Cpt S 122 Data Structures. Introduction to C++ Part II

Cpt S 122 Data Structures. Introduction to C++ Part II Cpt S 122 Data Structures Introduction to C++ Part II Nirmalya Roy School of Electrical Engineering and Computer Science Washington State University Topics Objectives Defining class with a member function

More information

Object Oriented Programming. Solved MCQs - Part 2

Object Oriented Programming. Solved MCQs - Part 2 Object Oriented Programming Solved MCQs - Part 2 Object Oriented Programming Solved MCQs - Part 2 It is possible to declare as a friend A member function A global function A class All of the above What

More information

Creating a C++ Program

Creating a C++ Program Program A computer program (also software, or just a program) is a sequence of instructions written in a sequence to perform a specified task with a computer. 1 Creating a C++ Program created using an

More information

CHAPTER-6 GETTING STARTED WITH C++

CHAPTER-6 GETTING STARTED WITH C++ CHAPTER-6 GETTING STARTED WITH C++ TYPE A : VERY SHORT ANSWER QUESTIONS 1. Who was developer of C++? Ans. The C++ programming language was developed at AT&T Bell Laboratories in the early 1980s by Bjarne

More information

MaanavaN.Com CS1203 OBJECT ORIENTED PROGRAMMING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING

MaanavaN.Com CS1203 OBJECT ORIENTED PROGRAMMING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SUB CODE / SUBJECT: CS1203 / Object oriented programming YEAR / SEM: II / III QUESTION BANK UNIT I FUNDAMENTALS PART-A (2 MARKS) 1. What is Object Oriented

More information

Department of Computer science and Engineering Sub. Name: Object oriented programming and data structures Sub. Code: EC6301 Sem/Class: III/II-ECE Staff name: M.Kavipriya Two Mark Questions UNIT-1 1. List

More information

Variables Data types Variable I/O. C introduction. Variables. Variables 1 / 14

Variables Data types Variable I/O. C introduction. Variables. Variables 1 / 14 C introduction Variables Variables 1 / 14 Contents Variables Data types Variable I/O Variables 2 / 14 Usage Declaration: t y p e i d e n t i f i e r ; Assignment: i d e n t i f i e r = v a l u e ; Definition

More information

Data Structures and Programming with C++

Data Structures and Programming with C++ Data Structures and Programming with C++ By Dr. Atul Kumar Dwivedi ETC, BIT, Durg UNIT-I B. E., V Semester Outline Basic concepts of Object oriented Programming (OOPs) 1. Objects 2. Classes 3. Data encapsulation

More information

CAMBRIDGE SCHOOL, NOIDA ASSIGNMENT 1, TOPIC: C++ PROGRAMMING CLASS VIII, COMPUTER SCIENCE

CAMBRIDGE SCHOOL, NOIDA ASSIGNMENT 1, TOPIC: C++ PROGRAMMING CLASS VIII, COMPUTER SCIENCE CAMBRIDGE SCHOOL, NOIDA ASSIGNMENT 1, TOPIC: C++ PROGRAMMING CLASS VIII, COMPUTER SCIENCE a) Mention any 4 characteristic of the object car. Ans name, colour, model number, engine state, power b) What

More information

Introduction to C++ Professor Hugh C. Lauer CS-2303, System Programming Concepts

Introduction to C++ Professor Hugh C. Lauer CS-2303, System Programming Concepts Introduction to C++ Professor Hugh C. Lauer CS-2303, System Programming Concepts (Slides include materials from The C Programming Language, 2 nd edition, by Kernighan and Ritchie, Absolute C++, by Walter

More information

B.V. Patel Institute of Business Management, Computer & Information Technology, Uka Tarsadia University

B.V. Patel Institute of Business Management, Computer & Information Technology, Uka Tarsadia University Unit 1 Programming Language and Overview of C 1. State whether the following statements are true or false. a. Every line in a C program should end with a semicolon. b. In C language lowercase letters are

More information

C: How to Program. Week /Mar/05

C: How to Program. Week /Mar/05 1 C: How to Program Week 2 2007/Mar/05 Chapter 2 - Introduction to C Programming 2 Outline 2.1 Introduction 2.2 A Simple C Program: Printing a Line of Text 2.3 Another Simple C Program: Adding Two Integers

More information

Basic Elements of C. Staff Incharge: S.Sasirekha

Basic Elements of C. Staff Incharge: S.Sasirekha Basic Elements of C Staff Incharge: S.Sasirekha Basic Elements of C Character Set Identifiers & Keywords Constants Variables Data Types Declaration Expressions & Statements C Character Set Letters Uppercase

More information

CS201- Introduction to Programming Current Quizzes

CS201- Introduction to Programming Current Quizzes CS201- Introduction to Programming Current Quizzes Q.1 char name [] = Hello World ; In the above statement, a memory of characters will be allocated 13 11 12 (Ans) Q.2 A function is a block of statements

More information

The component base of C language. Nguyễn Dũng Faculty of IT Hue College of Science

The component base of C language. Nguyễn Dũng Faculty of IT Hue College of Science The component base of C language Nguyễn Dũng Faculty of IT Hue College of Science Content A brief history of C Standard of C Characteristics of C The C compilation model Character set and keyword Data

More information

Object Orientated Analysis and Design. Benjamin Kenwright

Object Orientated Analysis and Design. Benjamin Kenwright Notation Part 2 Object Orientated Analysis and Design Benjamin Kenwright Outline Review What do we mean by Notation and UML? Types of UML View Continue UML Diagram Types Conclusion and Discussion Summary

More information

JAYARAM COLLEGE OF ENGINEERING AND TECHNOLOGY Pagalavadi, Tiruchirappalli (An approved by AICTE and Affiliated to Anna University)

JAYARAM COLLEGE OF ENGINEERING AND TECHNOLOGY Pagalavadi, Tiruchirappalli (An approved by AICTE and Affiliated to Anna University) Estd: 1994 JAYARAM COLLEGE OF ENGINEERING AND TECHNOLOGY Pagalavadi, Tiruchirappalli - 621014 (An approved by AICTE and Affiliated to Anna University) ISO 9001:2000 Certified Subject Code & Name : CS 1202

More information

C++ Important Questions with Answers

C++ Important Questions with Answers 1. Name the operators that cannot be overloaded. sizeof,.,.*,.->, ::,? 2. What is inheritance? Inheritance is property such that a parent (or super) class passes the characteristics of itself to children

More information

Quiz Start Time: 09:34 PM Time Left 82 sec(s)

Quiz Start Time: 09:34 PM Time Left 82 sec(s) Quiz Start Time: 09:34 PM Time Left 82 sec(s) Question # 1 of 10 ( Start time: 09:34:54 PM ) Total Marks: 1 While developing a program; should we think about the user interface? //handouts main reusability

More information

CS3157: Advanced Programming. Outline

CS3157: Advanced Programming. Outline CS3157: Advanced Programming Lecture #12 Apr 3 Shlomo Hershkop shlomo@cs.columbia.edu 1 Outline Intro CPP Boring stuff: Language basics: identifiers, data types, operators, type conversions, branching

More information

CS201 Latest Solved MCQs

CS201 Latest Solved MCQs Quiz Start Time: 09:34 PM Time Left 82 sec(s) Question # 1 of 10 ( Start time: 09:34:54 PM ) Total Marks: 1 While developing a program; should we think about the user interface? //handouts main reusability

More information

EEE145 Computer Programming

EEE145 Computer Programming EEE145 Computer Programming Content of Topic 2 Extracted from cpp.gantep.edu.tr Topic 2 Dr. Ahmet BİNGÜL Department of Engineering Physics University of Gaziantep Modifications by Dr. Andrew BEDDALL Department

More information

Chapter 2

Chapter 2 Chapter 2 Topic Contents The IO Stream class C++ Comments C++ Keywords Variable Declaration The const Qualifier The endl, setw, setprecision, manipulators The scope resolution operator The new & delete

More information