y</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/AbstractMap.html?is-external=true#containsValue(java.lang.Object)" title="class or interface in java.util" class="externalLink">containsValue</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/AbstractMap.html?is-external=true#isEmpty()" title="class or interface in java.util" class="externalLink">isEmpty</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/AbstractMap.html?is-external=true#put(K,V)" title="class