keys"></a><h3><p><code><a href="#keys"><span class="identifier">keys</span></a> ():<a class="type" title="An Iterator is a structure that permits iteration over elements of type T." href="../../Iterator.html">Iterator</a>&lt;<a class="type" title="The basic String class." href="../../String.html">String</a>&gt;</code></p></h3><div class="doc"><p>See <code><a href="../../Map.html#keys">Map.keys</a></code></p></div></div><div class="field "><a name="remove"></a><h3><p><code><a href="#remove"><span class="iden