import java.util.Arrays; import java.util.Collections; import java.util.List; public class Main { public static void main(String[] args) { String[] alphabets = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" }; List<String> list = Arrays.asList(alphabets); Collections.shuffle(list); for (String alpha : list) { System.out.print(alpha + " "); } } }