 interface in java.lang">String</a>&nbsp;getPersistenceXMLSchemaVersion()</pre>
<div class="block">Returns the schema version of the <code>persistence.xml</code> file.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>persistence.xml schema version</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
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<h4>getClassLoader</h4>
<pre><a href="https://docs.oracle.com/javase/