- NavigableMap is the child interface of SortedMap
- NavigableMap provides several utility methods to navigate through the map
- Implemention class of NavigableMap is TreeMap
- NavigableMap was introduced in java 1.6 version
Implementation Class of NavigableMap interface
Features of NavigableMap :
- When we need to store data in keyvalue map as well as in sorted order.
- NavigableMap adds some utility methods to navigate through this sortedmap.