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++

[Compound Operators]

Description

Increments the value of a variable by 1.

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

Parameters

x: variable. Allowed data types: intlong (possibly unsigned).

Returns

The original or newly incremented value of the variable.

Example Code

x = 2;
y = ++x;  // x now contains 3, y contains 3
y = x++;  // x contains 4, but y still contains 3

Language Reference Home

The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.

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