Lesson 2

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Lesson 2


1. Introduction to C++ and Setup


Brief History and Significance of C++:

C++ is a powerful programming language that allows for both procedural and object-oriented programming. It was developed by Bjarne Stroustrup in the early 1980s. C++ is widely used for developing operating systems, browsers, games, and so on because of its speed and efficiency.


Setting up the Environment:

To start coding in C++, you need a C++ compiler. Many IDEs like Visual Studio Code, Code::Blocks, or online compilers like repl.it provide an easy setup. For beginners, an online compiler is recommended for simplicity.


Hello World Program:


Put the code here 
 #include < iostream >
   using namespace std;
   int main() { cout <<
   "Hello, World!" << endl;
   return 0; 
   }
}

This program prints "Hello, World!" to the console. 

#include  <iostream>

   includes the Standard Input Output Streams Library. u

  sing namespace std;

  allows us to use std library objects without prefixing them 

  with std::. int main() is the starting point of the program. 

  cout prints output, and endl moves to the next line.

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