GraphicsEnvironment.getScreenDevices() has the following syntax.
public abstract GraphicsDevice [] getScreenDevices() throws HeadlessException
In the following code shows how to use GraphicsEnvironment.getScreenDevices() method.
// w w w.j ava2s . c o m import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; public class Main { public static void main(String[] args) { GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice[] defaultScreens = ge.getScreenDevices(); } }