api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;topicName)</code>
<div class="block">Creates a topic identity given a <code>Topic</code> name.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/jms/TopicSession.html#unsubscribe-java.lang.String-">unsubscribe</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.htm