package modern.challenge; public class Main { public static void main(String[] args) { Trie trie = new Trie(); trie.insert("cat"); trie.insert("caret"); trie.insert("bye"); System.out.println("Contains 'caret': " + trie.contains("caret")); System.out.println("Contains 'by': " + trie.contains("by")); System.out.println("Contains 'cat': " + trie.contains("cat")); } }