Skip to main content

Keyword

Keyword:
            The words that are used by the language for special purpose are called keywords.These are also called reserved words

For example:
                 C++ programming the word main is used to indicate the starting of program ,include is used to add header files,int to declare an integer type variable. All these words are keywords of c++
 
   The keywords cannot b used as variable names in a program.

Comments

Post a Comment

Popular posts from this blog

Data types in c++

DATA TYPES IN C++:                                        The variable  type specifies the type of the data that can be stored in it. Each variable is declared by its types.            c++ have five basic data types.These data type are:  int                               Integer float                             Floating point double                         Double Precision char                             Characters bool                             Boolean                          The first four data types are also available in c language.The bool is data type a new addition in c++ THE int DATA TYPE:                                         the int represents the integer data.It is used to declare integer type variables.                                    An integer is a whole number,i.e a number without a fraction or a decimal point.For example,645,230,-8 and 501 are integers.                                     The range of values that can  be stored
2 comments
Read more

Programs

PROGRAM 1: #include<iostream> using namespace std; int main() {    cout<<"HELLO WORLD";    return 0; } OUTPUT OF THE PROGRAM: HELLO WORLD                 ............................................................................................................................. PROGRAM 2: #include<iostream> using namespace std; int main() {    cout<<"c++ is best language";    return 0; } OUTPUT OF THE PROGRAM: c++ is best language      .............................................................................................................................                    
3 comments
Read more

Writing c++ program

Introduction:                                       The source  code of a c++ program is stored on the disk with file extension cpp (cpp stands for  c plus plus) Structure of c++ programs:                                                       A c++ program consists of three main parts:  Preprocessor Directive     The main() function c++ statements Preprocessor Directives:                                         The instructions that are given to the compiler before the beginning of the actual program is called Preprocessor Directives also known  as compiler Directives Example:           #include<iostream> using namespace std; main() {    cout<<"<<Life is beautiful"; }                                     
2 comments
Read more