Difference between revisions of "C and Cpp"

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'''Dennis M. Ritchie''', a systems engineer at '''Bell Laboratories''', New Jersey developed''' C''' in the early '''1970’s'''although designed for the Unix operating system, it soon proved itself a powerful, general purpose programming language.  
 
'''Dennis M. Ritchie''', a systems engineer at '''Bell Laboratories''', New Jersey developed''' C''' in the early '''1970’s'''although designed for the Unix operating system, it soon proved itself a powerful, general purpose programming language.  
 +
 +
'''C++''' is a programming language developed by '''Bjarne Stroustrup''' starting in '''1979''' at '''Bell Labs'''. C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose, powerful programming language. C++ is an '''object oriented language'''. It supports features like  classes and objects, Polymorphism, Encapsulation, Inheritance etc. C++ is also used for hardware design.
 
   
 
   
−
__TOC__
 
  
 +
The Spoken Tutorial effort for '''C''' and '''C++''' is led by Ashwini Patil from IIT BOMBAY, under the guidance of various Professors from IIT BOMBAY.
  
−
11) Logical Operators in C and C++
+
Other Contributors : Chaitanya Mokashi, Ritwik Joshi, Dhawal Goyal
  
 +
'''Learners''': High School and UG/PG CSE/CS/IT students and anyone who wishes to learn basic programming.
  
−
-And &&
+
__TOC__
  
−
-Or ||
+
==Basic Level==                                                                         
  
−
-Not !
+
1) '''First C Program'''
  
−
-Errors
+
*-Header Files
 +
**<nowiki>example: #include <stdio.h> </nowiki>
 +
*main()
 +
*Curly braces { }
 +
*printf()
 +
*semicolon ;
  
 +
*Compiling a C program
 +
**example: gcc filename.c -o output parameter
 +
*Executing a C program
 +
**example: ./output parameter
 +
*Errors
  
−
12) Loops in C and C++
 
  
 +
2) '''First C++ Program'''
  
−
-Loops
+
*Header files
 +
**<nowiki>--example: #include <iostream> </nowiki>
 +
*main()
 +
*Curly braces { }
 +
*<nowiki>-cout<< </nowiki>
 +
*semicolon ;
  
−
-Syntax for while and do-while loop
+
*Compiling a C++ program
 +
**example: g++ filename.cpp -o output parameter
 +
*Executing a C program
 +
**example: ./output parameter
  
−
-Comparison of while and do-while loop
 
  
−
-Syntax for
+
3) '''Tokens in C and C++'''
  
−
-for loop
+
*Data types, constants, identifiers
 +
*Keywords
 +
**example: if, break, else
 +
*Constants
 +
*Data types
 +
**example: int, float, char, double
 +
*Format specifiers
 +
**example: %d, %f, %c, %lf
 +
*Range of data types
 +
*Variables
 +
*Identifier
 +
*Errors
  
−
-Errors
 
  
−
==Intermediate level== 
+
4) '''Functions in C and C++'''
  
−
13) Arrays in C and C++
+
*What is a function
 +
*Syntax for declaration of a function
 +
*Function with arguments
 +
**example: return-type function-name(parameter);
 +
*Function without arguments
 +
**example: return-type function-name; 
 +
*Calling a function
 +
*Errors
  
  
−
-What are arrays
+
5) '''Scope of Variables in C and C++'''
  
−
-1-D Arrays
+
*Introduction
 +
*Syntax of declaring a variable
 +
**example: data-type var-name;
 +
*Syntax for initializing a variable
 +
**example: data-type var-name = value;
 +
*Scope of variables
 +
*Global variable
 +
*Local variable
 +
*Error
  
−
-Syntax for Declaration of arrays
 
  
−
<nowiki>--example: data type array_name [size]; </nowiki>
+
6) '''If And Else If statement in C and C++'''
  
−
-Syntax for Initialization of arrays
+
*What are Statements.
 +
*Syntax for if and
 +
*If-else Statement
 +
*Errors
  
−
<nowiki>--example: data type array_name [size]=value; </nowiki>
 
  
−
-Accepting values from the user
+
7) '''Nested if and switch statement in C and C++'''
  
−
-Errors  
+
*Nested if statement.
 +
*Switch statement.
 +
*Syntax for nested-if statement
 +
*Syntax for switch statement
 +
*break statement
 +
*Comparison between nested if-else and switch statement
 +
*Errors  
  
  
−
14) Working with 2-D Arrays in C and C++  
+
8) '''Increment and Decrement Operators in C and C++'''
  
 +
*Increment Operator
 +
**example: ++
 +
*Postfix increment
 +
**example: a++
 +
*Prefix increment
 +
**example: ++a
 +
*Decrement Operator
 +
**example: --
 +
*Postfix decrement
 +
**example: a--
 +
*Prefix decrement
 +
**example: --a
 +
*Typecasting
 +
*Errors
  
−
-What are 2-D Arrays.
 
  
−
-Range of arrays
+
9) '''Arithmetic Operators in C and C++'''
  
−
-Syntax for Declaration of 2-D arrays
+
*Arithmetic Operators
 +
*Addition Operator
 +
**example: a + b
 +
*Subtraction Operator
 +
**example: a - b
 +
*Multiplication Operator
 +
**example: a * b
 +
*Division Operator
 +
**example: a \ b
 +
*Modulus Operator
 +
**example: a % b
 +
*Errors
  
−
<nowiki>--example: data type array_name[row][column]; </nowiki>
 
  
−
-Syntax for initialization of 2-D arrays
+
10) '''Relational Operators in C and C++'''
  
−
<nowiki>--example: data type array_name[row][column]= </nowiki>
+
*Double Equal to
 +
**example: a == b
 +
*Not Equal to
 +
**example: a != b
 +
*Greater Than
 +
**example: a > b
 +
*Less Than
 +
**<nowiki>example: a < b </nowiki>
 +
*Greater than Equal To
 +
**<nowiki>example: a >= b </nowiki>
 +
*Less Than Equal To
 +
**<nowiki>example: a <= b </nowiki>
 +
*Errors
  
−
{
 
  
−
{row-val},{col-val}
+
11) '''Logical Operators in C and C++
 +
'''
 +
*And &&
 +
*Or ||
 +
*Not !
 +
*Errors
  
−
};
 
  
−
-Errors
+
==Intermediate level== 
  
 +
12) '''Loops in C and C++'''
  
−
15) Strings in C and C++
+
*Loops
 +
*Syntax for while and do-while loop
 +
*Comparison of while and do-while loop
 +
*Syntax for
 +
*for loop
 +
*Errors
  
  
−
-What is a string
+
13) '''Arrays in C and C++'''
  
−
-Syntax for declaring a string
+
*What are arrays
 +
*1-D Arrays
 +
*Syntax for Declaration of arrays
 +
**<nowiki>example: data type array_name [size]; </nowiki>
 +
*Syntax for Initialization of arrays
 +
**<nowiki>example: data type array_name [size]=value; </nowiki>
 +
*Accepting values from the user
 +
*Errors
  
−
-Syntax for initializing a string
 
  
−
-To read a string from keyboard
+
14) '''Working with 2-D Arrays in C and C++'''
 +
*What are 2-D Arrays.
 +
*Range of arrays
 +
*Syntax for Declaration of 2-D arrays
 +
**example: data type array_name[row][column];
 +
*Syntax for initialization of 2-D arrays
 +
**example: data type array_name[row][column]=
 +
{
 +
 
 +
{row-val},{col-val}
 +
 
 +
};
 +
*Errors
  
−
-Errors
 
  
 +
15) '''Strings in C and C++'''
  
−
16) String Library Functions in C and C++
+
*What is a string
 +
*Syntax for declaring a string
 +
*Syntax for initializing a string
 +
*To read a string from keyboard
 +
*Errors
  
  
−
-What are string library functions.
+
16) '''String Library Functions in C and C++'''
  
−
-Types of string library functions  
+
*What are string library functions.
 +
*Types of string library functions  
 +
**Strcpy
 +
**Strlen
 +
**Strcmp
 +
**Strcat
 +
*Errors
  
−
-Strcpy
+
==Advanced level== 
  
−
-Strlen
+
17) '''Working with Structures in C and C++'''
  
−
-Strcmp
+
*Introduction
 +
*Syntax of structures
 +
*Declaration and initialization
 +
*Declaration of structure variable
 +
*Accessing structure variables
  
−
-Strcat
 
  
−
-Errors
+
18) '''Understanding Pointers in C and C++'''
−
 
+
−
 
+
−
17) Working with Structures in C and C++
+
−
 
+
−
 
+
−
-Introduction
+
−
 
+
−
-Syntax of structures
+
−
 
+
−
-Declaration and initialization
+
−
 
+
−
-Declaration of structure variable
+
−
 
+
−
-Accessing structure variables
+
−
 
+
−
 
+
−
18) Understanding Pointers in C and C++  
+
−
 
+
−
 
+
−
-Introduction
+
−
 
+
−
-Syntax of Pointer
+
−
 
+
−
--example: int *iptr;
+
−
 
+
−
-Declaration
+
−
 
+
−
--example: int a;
+
  
 +
*Introduction
 +
*Syntax of Pointer
 +
**example: int *iptr;
 +
*Declaration
 +
**example:
 +
int a;
 
(integer a)  
 
(integer a)  
−
 
 
int *aptr;  
 
int *aptr;  
−
 
 
(pointer to an integer *aptr)  
 
(pointer to an integer *aptr)  
−
 
 
aptr = &a;  
 
aptr = &a;  
−
 
 
(aptr set to address of a)  
 
(aptr set to address of a)  
−
 
 
Address Pointer  
 
Address Pointer  
 +
*Errors
  
−
-Errors
 
−
 
−
 
−
19) Function pass by value and pass by reference
 
−
 
−
 
−
-types of function calls
 
−
 
−
-function pass by value
 
−
 
−
-function pass by reference
 
−
 
−
 
−
20) Files in C
 
−
 
−
 
−
-File handling functions
 
−
 
−
-Opening a File closing a file
 
−
 
−
--example: fopen, fclose
 
−
 
−
-Reading data from a File
 
−
 
−
 
−
 
−
==Advanced level== 
 
−
 
−
 
−
21) Classes and Objects in C++
 
−
 
−
 
−
-Defining Classes
 
−
 
−
-create a class
 
−
 
−
-Defining Objects
 
−
 
−
-create an object of the class
 
−
 
−
-Member Functions
 
−
 
−
-To create a function
 
−
 
−
-Encapsulation
 
−
 
−
-Data Abstraction
 
−
 
−
 
−
22) Constructor and Destructor
 
−
 
−
 
−
-Constructor and Destructor
 
−
 
−
-To create a constructor
 
−
 
−
-Parameterized constructors
 
−
 
−
-Default constructor
 
−
 
−
-Destructor
 
−
 
−
 
−
23) static members in C++
 
−
 
−
 
−
-Static Keyword
 
−
 
−
-Static variable
 
−
 
−
-Static member function
 
−
 
−
 
−
24) Inheritance
 
−
 
−
 
−
-Inheritance
 
−
 
−
-Concept of subclass and superclass
 
−
 
−
-Types of inheritance
 
−
 
−
-single level inheritance
 
−
 
−
-Multilevel inheritance
 
−
 
−
 
−
25) Multiple and Hierarchical Inheritance
 
−
 
−
 
−
-Multuple Inheritance
 
−
 
−
-Hierarchical Inheritnace26) Function Overloading and Overriding-function overloading
 
−
 
−
-function overriding
 
−
 
−
-difference between both
 
−
 
−
27) Polymorphism in C++
 
−
 
−
 
−
-Polymorphism
 
−
 
−
-Virtual Members
 
−
 
−
-Virtual Function
 
−
 
−
 
−
28) Abstract class in C++
 
−
 
−
 
−
-Pure virtual function-abstract class
 
−
 
−
-abstract methods
 
−
 
−
 
−
29) Friend Function
 
−
 
−
 
−
-friend function
 
−
 
−
 
−
30) Exception Handling
 
  
 +
19) '''Function call in C and C++'''
  
−
-Exceptions
+
*types of function calls
 +
*function pass by value
 +
*function pass by reference
  
−
-try
 
  
−
-throw
+
20) '''File Handling in C'''
  
−
-catch
+
*File handling functions
 +
*Opening a File closing a file
 +
**example: fopen, fclose
 +
*Reading data from a File

Latest revision as of 15:34, 6 February 2020

Introduction to C

Powerful features, simple syntax, and portability make C a preferred language among programmers for business and industrial applications.Portability means that C programs written for a computer with a particular kind of processor, say Intel, can be executed on computers with different processors such as Motorola, Sun Sparc, or IBM with little or no modification.C language is widely used in the development of operating systems.

An Operating System(OS) is a software(collection of programs) that controls the various functions of a computer. Also it makes other programs on your computer work.

For example, you cannot work with a word processor program, such as Microsoft Word, if there is no operating system installed on your computer.Windows, Unix, Linux, Solaris, and MacOS are some of the popular operating systems.

Dennis M. Ritchie, a systems engineer at Bell Laboratories, New Jersey developed C in the early 1970’salthough designed for the Unix operating system, it soon proved itself a powerful, general purpose programming language.

C++ is a programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose, powerful programming language. C++ is an object oriented language. It supports features like classes and objects, Polymorphism, Encapsulation, Inheritance etc. C++ is also used for hardware design.


The Spoken Tutorial effort for C and C++ is led by Ashwini Patil from IIT BOMBAY, under the guidance of various Professors from IIT BOMBAY.

Other Contributors : Chaitanya Mokashi, Ritwik Joshi, Dhawal Goyal

Learners: High School and UG/PG CSE/CS/IT students and anyone who wishes to learn basic programming.

Basic Level

1) First C Program

  • -Header Files
    • example: #include <stdio.h>
  • main()
  • Curly braces { }
  • printf()
  • semicolon ;
  • Compiling a C program
    • example: gcc filename.c -o output parameter
  • Executing a C program
    • example: ./output parameter
  • Errors


2) First C++ Program

  • Header files
    • --example: #include <iostream>
  • main()
  • Curly braces { }
  • -cout<<
  • semicolon ;
  • Compiling a C++ program
    • example: g++ filename.cpp -o output parameter
  • Executing a C program
    • example: ./output parameter


3) Tokens in C and C++

  • Data types, constants, identifiers
  • Keywords
    • example: if, break, else
  • Constants
  • Data types
    • example: int, float, char, double
  • Format specifiers
    • example: %d, %f, %c, %lf
  • Range of data types
  • Variables
  • Identifier
  • Errors


4) Functions in C and C++

  • What is a function
  • Syntax for declaration of a function
  • Function with arguments
    • example: return-type function-name(parameter);
  • Function without arguments
    • example: return-type function-name;
  • Calling a function
  • Errors


5) Scope of Variables in C and C++

  • Introduction
  • Syntax of declaring a variable
    • example: data-type var-name;
  • Syntax for initializing a variable
    • example: data-type var-name = value;
  • Scope of variables
  • Global variable
  • Local variable
  • Error


6) If And Else If statement in C and C++

  • What are Statements.
  • Syntax for if and
  • If-else Statement
  • Errors


7) Nested if and switch statement in C and C++

  • Nested if statement.
  • Switch statement.
  • Syntax for nested-if statement
  • Syntax for switch statement
  • break statement
  • Comparison between nested if-else and switch statement
  • Errors


8) Increment and Decrement Operators in C and C++

  • Increment Operator
    • example: ++
  • Postfix increment
    • example: a++
  • Prefix increment
    • example: ++a
  • Decrement Operator
    • example: --
  • Postfix decrement
    • example: a--
  • Prefix decrement
    • example: --a
  • Typecasting
  • Errors


9) Arithmetic Operators in C and C++

  • Arithmetic Operators
  • Addition Operator
    • example: a + b
  • Subtraction Operator
    • example: a - b
  • Multiplication Operator
    • example: a * b
  • Division Operator
    • example: a \ b
  • Modulus Operator
    • example: a % b
  • Errors


10) Relational Operators in C and C++

  • Double Equal to
    • example: a == b
  • Not Equal to
    • example: a != b
  • Greater Than
    • example: a > b
  • Less Than
    • example: a < b
  • Greater than Equal To
    • example: a >= b
  • Less Than Equal To
    • example: a <= b
  • Errors


11) Logical Operators in C and C++

  • And &&
  • Or ||
  • Not !
  • Errors


Intermediate level

12) Loops in C and C++

  • Loops
  • Syntax for while and do-while loop
  • Comparison of while and do-while loop
  • Syntax for
  • for loop
  • Errors


13) Arrays in C and C++

  • What are arrays
  • 1-D Arrays
  • Syntax for Declaration of arrays
    • example: data type array_name [size];
  • Syntax for Initialization of arrays
    • example: data type array_name [size]=value;
  • Accepting values from the user
  • Errors


14) Working with 2-D Arrays in C and C++

  • What are 2-D Arrays.
  • Range of arrays
  • Syntax for Declaration of 2-D arrays
    • example: data type array_name[row][column];
  • Syntax for initialization of 2-D arrays
    • example: data type array_name[row][column]=

{

{row-val},{col-val}

};

  • Errors


15) Strings in C and C++

  • What is a string
  • Syntax for declaring a string
  • Syntax for initializing a string
  • To read a string from keyboard
  • Errors


16) String Library Functions in C and C++

  • What are string library functions.
  • Types of string library functions
    • Strcpy
    • Strlen
    • Strcmp
    • Strcat
  • Errors

Advanced level

17) Working with Structures in C and C++

  • Introduction
  • Syntax of structures
  • Declaration and initialization
  • Declaration of structure variable
  • Accessing structure variables


18) Understanding Pointers in C and C++

  • Introduction
  • Syntax of Pointer
    • example: int *iptr;
  • Declaration
    • example:

int a; (integer a) int *aptr; (pointer to an integer *aptr) aptr = &a; (aptr set to address of a) Address Pointer

  • Errors


19) Function call in C and C++

  • types of function calls
  • function pass by value
  • function pass by reference


20) File Handling in C

  • File handling functions
  • Opening a File closing a file
    • example: fopen, fclose
  • Reading data from a File
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