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## ++ (increment) / -- (decrement)

#### Description

Increment or decrement a variable

#### Syntax

x++; // increment x by one and returns the old value of x
++x; // increment x by one and returns the new value of x
x-- ; // decrement x by one and returns the old value of x
--x ; // decrement x by one and returns the new value of x

#### Parameters

x: an integer or long (possibly unsigned)

#### Returns

The original or newly incremented / decremented value of the variable.

#### Examples

x = 2;
y = ++x; // x now contains 3, y contains 3
y = x--; // x contains 2 again, y still contains 3

#### See also

+=

-=

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