/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></dd>
<dt>Overrides:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/AbstractMap.html#containsKey(java.lang.Object)" title="class or interface in java.util" class="external-link">containsKey</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/AbstractMap.ht