Java DisplayMode.getRefreshRate()

public int getRefreshRate()

import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
/*from   w ww  .ja  v a  2 s .c  om*/
public class Main {
  public static void main(String[] argv) throws Exception {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gs = ge.getDefaultScreenDevice();

    DisplayMode[] dmodes = gs.getDisplayModes();
    for (int i = 0; i < dmodes.length; i++) {
      int refreshRate = dmodes[i].getRefreshRate();
      System.out.println(refreshRate);
    }
  }
}