import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.image.VolatileImage;
public class Main {
public static void main(String[] argv) throws Exception {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice[] gs = ge.getScreenDevices();
for (int i = 0; i < gs.length; i++) {
VolatileImage im = gs[i].getDefaultConfiguration()
.createCompatibleVolatileImage(1, 1);
int bytes = gs[i].getAvailableAcceleratedMemory();
if (bytes < 0) {
System.out.println("Amount of memory is unlimited");
}
im.flush();
}
}
}