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

public class GUI {
    JFrame window;
    JPanel panel;


    public GUI(){
        window = new JFrame("eksempel gui");
        window.setSize(1000, 700);

        try{ //setter UI lik uansett hva slags operativsystem man bruker
            UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
        } catch(Exception e){
            System.exit(1);
        }

        addInfo();
        addCells();

        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        window.setLocationRelativeTo(null);
        window.setVisible(true);
        
    }

    public void addInfo(){
        panel = new JPanel();
        window.add(panel);
    }

    public void addCells(){
        for(int i = 0; i < 40; i++){
            for(int j = 0; j < 40; j++){
                JButton button = new JButton("knapp");
                panel.add(button);
            }
        }
    }
}