import java.awt.*;
import javax.swing.*;
import java.util.*;

public class Fenetre extends JFrame
{
    public Fenetre()
    {
        this.setLocation((int)Math.random() * ( 1920 - 0 ), (int)Math.random() * ( 1080 - 0 ));
        this.setSize(500, 500);
        this.setTitle("How to crash");

        this.setVisible(true);
        new Fenetre();
    }

    public static void main(String[] args)
    {
        new Fenetre();
    }
}