INCREMENT AND DECREMENT OPERATORS |

 I + +  ---->  I  IS INCREASED BY 1 .

 I - -   ------> I IS DECREASED BY 1 

PRINTF ( " - - i " )  = FIRST DECREMENT THEN PRINT THE VALUE . 

PRINTF ( " i - -" ).  = FIRST PRINT THE VALUE THEN DECREMENT .

• + + + OPERATOR DOES NOT EXIST.