package collections.sortable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.ListIterator;
public class CollectionsTest {
public static void main(String[] args) {
List list = new ArrayList();
list.add("C");
list.add("A");
list.add("D");
list.add("B");
System.out.println("\nInsertion order: ");
displayList(list);
System.out.println("\nNatural order: ");
Collections.sort(list);
displayList(list);
System.out.println("Reverse natural order: ");
Collections.sort(list, Collections.reverseOrder());
displayList(list);
System.out.println("Replace all B's with an X: ");
displayList(list);
}
private static void displayList(List lst) {
ListIterator iter = lst.listIterator();
while (iter.hasNext()) {
System.out.println(iter.next());
}
}
}