1. Write Short Notes on C++

Introduction to Computer Science
1.Write Short Notes on C++

C++ is a cross-platform language that can be used to create high-performance applications. C++ was developed by Bjarne Stroustrup, as an extension to the C language. C++ gives programmers a high level of control over system resources and memory. C++ is one of the world's most popular programming languages. C++ can be found in today's operating systems, Graphical User Interfaces, and embedded systems. C++ is an object-oriented programming language which gives a clear structure to programs and allows code to be reused, lowering development costs.

C++ is portable and can be used to develop applications that can be adapted to multiple platforms.


2.Give General form of C++ Program

Here is the general format for a C++ program:

File: program.cpp

/* Comments */

// More comments
#include
#include
… // Provides access to standard code libraries

#include "myclass.h" // Provides access to user-defined code

int g; // Global variables defined here

using namespace std; // Defines the namespace we’re using

// Define any functions here that are available globally, e.g.
void someFunc() {
// code
}

int main(char *argv[], int argc) // Parameters optional

{
// Code here for main returning an int value
}
3. Discuss Features of C++ Keywords

Keywords (also known as reserved words) have special meaning to the C++ compiler and are always written or typed in short(lower) cases. Keywords are words that the language uses for a special purpose, such as void, int, public, etc. It can’t be used for a variable name or function name. Below is the table for the complete set of C++ keywords.

class: To declare a user-defined type that encapsulates data members and operations or member functions.
const: To define objects whose value will not alter throughout the lifetime of program execution.
continue:- Transfers control to the start of a loop.
double: Fundamental data type used to define a floating-point number.