The format is:
expression ++ ;
This is a statement which an expression is followed by the postfix ++ operator and a semicolon.
Increases the value of the instance returned by the expression by 1.
An expression. Returned instance must be an int, long, or real class because it is incremented.
Postfix ++ operator. Indicates that it is an increment statement.
The end of a increment statement is represented by a semicolon.
open method void someMethod()
var1 = 10;
var1++; // var1 is 11.