package misc; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; /** * Java Program to Sort a List using Collections.Sort methods * This implementation uses merge sort. * */ public class CollectionSort { public static void main(String[] args) { List list = new ArrayList<>(); list.add("India"); list.add("India"); list.add("United States"); list.add("Malaysia"); list.add("Australia"); list.add("Lundon"); Collections.sort(list); Iterator itr = list.iterator(); while(itr.hasNext()) { System.out.println(itr.next()); } } }