There is no trie data structure in the core Java libraries.

What is a trie in Java?

A trie (also known as a digital tree) and sometimes even radix tree or prefix tree (as they can be searched by prefixes), is an ordered tree structure, which takes advantage of the keys that it stores – usually strings.

Where can I use trie?

Tries are an extremely special and useful data-structure that are based on the prefix of a string. They are used to represent the “Retrieval” of data and thus the name Trie. A Trie is a special data structure used to store strings that can be visualized like a graph. It consists of nodes and edges.