Browse - Programming Tips - Hashes don't promise any order for keys. Is there a way to keep the keys sorted?

Date: 2015dec15
Language: Java
Keywords: HashMap, Hash

Q.  Hashes don't promise any order for keys.  Is there a way to keep the keys sorted?

A.  Use a TreeMap

It is sorted by the ascending order of the keys - ie alphabetical order.

The official documentation says:

A Red-Black tree based NavigableMap implementation. The map is sorted
according to the natural ordering of its keys, or by a Comparator provided
at map creation time, depending on which constructor is used.