> that is
         the target of the join</dd>
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<h4>index</h4>
<pre><a href="../../../jakarta/persistence/criteria/Expression.html" title="interface in jakarta.persistence.criteria">Expression</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;index()</pre>
<div class="block">Create an expression tha