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();
}
}
}
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