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<td class="colFirst"><code>java.lang.Class&lt;<a href="MapAttribute.html" title="type parameter in MapAttribute">K</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKeyJavaType()">getKeyJavaType</a></span>()</code></th>
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<div class="block">Return the Java type of the map key.</div>
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<td class="colFirst"><code><a href="Type.html" title="interface in javax.persistence.metamodel"