Getting Screen Sizes : GraphicsEnvironment « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. GraphicsEnvironment

import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;

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 screenWidth = dmodes[i].getWidth();
      int screenHeight = dmodes[i].getHeight();

    }
  }
}