Friday 23 March 2018

Output and Input Operator

cout <<"Welcome to the Computer Language";

This causes the string in quotation marks to be displayed on screen.

'cout' is a predefined object that represents standard output stream i.e. screen.

The operator '<<' is called as insertion or put to operator.It inserts the contents of the variable on its right to the object on its left.

Input Operator :

 cin >> no;
It is an input statement and causes the programs to wait for the user to type in a number.The number keyed in is placed in the variable 'no'.

'cin' is predefined object that represents standard input stream i.e. keyboard.

The operator '>>' is know as extraction or get from operator.
 
It extracts or takes the value from the keyboard and assigns it to the variable on its right.

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