import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

public class TestAnonymous {
  
  public static void main(String[] args) {
    ArrayList<String> strings = new ArrayList<>();
    strings.add("CEPA");
    strings.add("bepa");
    strings.add("APA");
    strings.add("ABBA");
    strings.add("DEPA");
    strings.add("Baba");
    System.out.println("Unsorted: ");
    System.out.println(strings);
    Collections.sort(strings, new Comparator<String>() {
        @Override
        public int compare(String first, String other) {
          return first.toLowerCase().compareTo(other.toLowerCase());
        }
      });
    System.out.println("Sorted disregarding case:");
    System.out.println(strings);
    Collections.sort(strings);
    System.out.println("Sorted using String's default compareTo:");
    System.out.println(strings);

    /* Using separate class 
       Collections.sort(strings, new ReversedStringComparator());
       System.out.println("Sorted using ReversedStringComparator:");
       System.out.println(strings);
     */
    
    Collections.sort(strings, new Comparator<String>() {
        @Override
        public int compare(String first, String other) {
          return other.toLowerCase().compareTo(first.toLowerCase());
        }
      });
    System.out.println("Sorted using another anonymous class:");
    System.out.println(strings);

  }
}