C# provides two
unary operators for adding 1 to or subtracting 1 from the value of a numeric variable. These are the unary increment operator, ++, and the unary decrement operator, --, respectively, which are summarized in Fig. 5.14. An app can increment by
1 the value of a variable called
c using the increment operator,
++, rather than the expression
c = c + 1 or
c += 1. An increment or decrement operator that’s prefixed to (placed before) a variable is referred to as the prefix increment operator or prefix decrement operator, respectively. An increment or decrement operator that’s postfixed to (placed after) a variable is referred to as the postfix increment operator or postfix decrement operator, respectively. ...