13.5 SortedSet Interface

【Exemple13.18】ValidationSortedSetInterface

package jiaqi;
import java.util.SortedSet;
import java.util.TreeSet;
public class temp {

public static void main(String[] args) {

// TODO Talon de méthode généré automatiquement
SortedSet<String> allset = new TreeSet<String>();
allset.add("A");
allset.add("B");
allset.add("C");
allset.add("C");
allset.add("C");
allset.add("D");
allset.add("E");
System.out.println(allset);
System.out.println("Le premier élément"+allset.first());
System.out.println("Dernier élément"+allset.last());
System.out.println(allset.headSet("C"));
System.out.println(allset.tailSet("C"));
System.out.println(allset.subSet("B", "D"));
}
}