Introduction to C++ Programming: Basics and Structure
"Explore the fundamentals of C++ programming language, including its syntax, structure, input/output statements, and how to compile and execute C programs. Learn about C++ as a versatile object-oriented language and its origins. Get started with a simple program and understand the process of compiling and running C++ code using Turbo C. Dive into the world of C++ programming with this comprehensive guide."
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CPP Programming Language PROF. S. LAKSHMANAN, DEPT. OF B. VOC. (SD & SA), ST. JOSEPH'S COLLEGE.
CONTENT Programming Structure INPUT/OUTPUT Statement Simple program Compile and Execution
What is CPP language? C++ is a general-purpose object-oriented programming (OOP) language It is an extension of the C language It is therefore possible to code C++ in a "C style" or "object-oriented style." . It was renamed C++ in 1983.
CPP Programming Structure C++ program structure is divided into various sections Headers Class definition Member functions Member definitions Main function
Input / Output Statement Input Statement: cin>> standard input stream ( Read) Syntax: cin >> variable_name >> The extraction operator(>>) is used along with the object cin for reading inputs. Example: cin>> n ; Read the single value cin>>n>>m ; Read the multiple value
Input / Output Statement OUTPUT Statement: COUT << standard Output stream ( Write) Syntax: cout<< Variable_name The data needed to be displayed on the screen is inserted in the standard output stream (cout) using the insertion operator (<<). Example: cout<< n ; Write the single value cout<<n<<m; Write the multiple value
Simple Program: Example Program: /* Return the Hello World string in CPP */ /save hello.cpp #include <iostream.h> // header file void main( ) // Main function { cout << Hello World! ; // Write the string }
Compile & Execute C Program: Open turboc and type the program. Press F2 Save the file as hello.cpp Compile the program using Alt + F9 OR Compile > Compile Press Ctrl + F9 to Run (or select Run > Run in menu bar ) the C program. Alt+F5 to view the output of the program at the output screen. You will be able to see "Hello World!" printed on the screen
Simple Program: Example:2 /* Addition of Two Number*/ #include <iostream.h> //Header file #include <conio.h> void main() { int a,b; // declartion part clrscr(); // clear the old output on screen cout<< Enter the number a ; //print the string cin>>a; // read the value cout<< Enter the number b ; // print the string cin>>b; // read the value cout<< The Addition of (A+B)= <<(a+b); // write the a,b value getch() //wait press key }
