TreeMap descendingKeySet() method in java

Let’s learn TreeMap descendingKeySet() method in java. TreeMap descendingKeySet() method in java descendingKeySet() method of TreeMap class returns a reverse order NavigableSet view of the keys contained in this map. The set’s iterator returns the keys in descending order. Syntax: public NavigableSet<K> descendingKeySet() Parameters: descendingKeySet() method does not accept any parameters. Now let’s see example…