public class Hashtag { public static void main(String[] args) { String hashtag = "#100DaysOfCode"; // Make the hashtag lowercase: System.out.println(hashtag.toLowerCase()); System.out.println(hashtag.toUpperCase()); } }
public class Hashtag { public static void main(String[] args) { String hashtag = "#100DaysOfCode"; // Make the hashtag lowercase: System.out.println(hashtag.toLowerCase()); System.out.println(hashtag.toUpperCase()); } }