Java NavigableMap.ceilingKey(K key)

K ceilingKey(K key)

 //from w w  w  .  j  ava2s. c  o  m
import java.util.NavigableMap;
import java.util.TreeMap;

public class Main {
  public static void main(String args[]) {
    
    NavigableMap<String, String> nav = new TreeMap<String, String>();
    nav.put("A", "a");
    nav.put("B", "b");
    nav.put("C", "c");
    nav.put("D", "d");
    nav.put("E", "e");
    nav.put("F", "f");
    System.out.println(nav);
    System.out.println(nav.ceilingKey("B"));
  }
}