TreeMap lastKey() method in java

Let’s learn TreeMap lastKey() method in java. TreeMap lastKey() method in java lastKey() method of TreeMap class returns the last (highest) key currently in this map. Syntax: public K lastKey() Parameters: lastKey() method do not take any parameters. Throws: NoSuchElementException – if this map is empty. Now let’s see example on TreeMap lastKey() method. import…

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