import java.text.Collator; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Locale; public class Main { public static void main(String[] args) { List<String> fruits = new ArrayList<String>(); fruits.add("A"); fruits.add(""); fruits.add("C"); fruits.add("D"); fruits.add("A"); Collator collator = Collator.getInstance(Locale.US); Collections.sort(fruits, collator); for (int i = 0; i < fruits.size(); i++) { String fruit = fruits.get(i); System.out.println("Fruit = " + fruit); } } }