what is the use of cout? and cin??? when and where these are used

Answer 1

COUT is for displaying characters. Example: cout<<"hi";
CIN is for inputting a value/character. Example: cin>>;

Example Program:

{
int x;

cout<<"Please Input Your Age: ";
cin>>x;

cout<<"Your Age is: "<<x<<endl;

return 0;
}

Answer 2

cin is standart input stream, cout is standart output stream. I think, it is enough to understand this.

Answer 3

that's used for printing and input of values

Answer 4

cout is used to display .any values which is given by that variable followed by the insertion operator << it is used inside the function

Answer 5

can we use anything else in place of this??

Answer 6

@ Mayur Thakur
printf ,scanf are used in c# & not in c+

Answer 7

Cout is to read the sentence and cin is to display