Java WeakHashMap.size()

public int size()

/*www . j  a  v a  2 s .  c om*/
import java.util.Map;
import java.util.WeakHashMap;

public class Main {
   public static void main(String[] args) { 
      Map<String, String>  weakHashMap = new WeakHashMap<String, String> ();
            
      
      System.out.println("Putting values into the Map");
      weakHashMap.put("1", "first");
      weakHashMap.put("2", "two");
      weakHashMap.put("3", "from java2s.com");
      
      // checking the size of the Map
      System.out.println("Map size: "+weakHashMap.size());      
   }    
}