IncDecStmt = Expression ( "++" | "--" ) .
</pre>

<p>
The following <a href="#Assignment_statements">assignment statements</a> are semantically
equivalent:
</p>

<pre class="grammar">
IncDec statement    Assignment
x++                 x += 1
x--                 x -= 1
</pre>


<h3 id="Assignment_statements">Assignment statements</h3>

<p>