Alphabetical Sorting in Java. In Java, sorting simple data types such as integers and bytes is a straightforward operation in most cases. Java programs and computers are both designed to handle ...

(a) contains (String s) [return type boolean] = true if the word ‘s’ is contained in the trie. (b) isPrefix (String p) [return type boolean] = true if ‘p’ is a prefix of any word in the trie.