Java NavigableMap.headMap(K toKey, boolean inclusive)

NavigableMap < K , V > headMap(K toKey,   boolean inclusive)

//from w w  w . ja v a  2s . c o m

import java.util.NavigableMap;
import java.util.TreeMap;

public class Main {
  public static void main(String[] args) {
    NavigableMap<Integer, String> map = new TreeMap<Integer, String>();
    map.put(2, "two");
    map.put(1, "one");
    map.put(3, "three");
    System.out.println( map.headMap(1,false) + "\n");


  }
}