Код: Выделить всё
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
Код: Выделить всё
import java.awt.Canvas;
import javax.swing.JFrame;
public class Main {
public static JFrame frame;
public static Canvas canvas;
public static void main(String[] args) {
createDisplay("Display", 500, 500);
}
public static void createDisplay(String title, int w, int h) {
frame = new JFrame(title);
frame.setSize(w, h);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setResizable(true);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
canvas = new Canvas();
canvas.setSize(w, h);
canvas.setFocusable(false);
frame.add(canvas);
frame.pack();
}
}