package com.zetcode; import java.util.stream.Stream; public class JavaStreamMapEx3 { public static void main(String[] args) { var words = Stream.of("cardinal", "pen", "coin", "globe"); words.map(JavaStreamMapEx3::capitalize).forEach(System.out::println); } private static String capitalize(String word) { word = word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase(); return word; } }