What is increment and decrement operators ?

The increment and decrement operators are used to increase and decrease the value of the operand. The increment operator increase the value by 1 and the decrement operator decrease the value by 1 of a variable.

They are the unary operators which are operated only one variable.

The list of increment and decrement operators is as follows:

Operator	Definitions
++	Increase value by 1, ++a, a++
--	Decrease value by 1, --a, a--