import java.awt.*;
import java.awt.event.*;
import java.time.LocalTime;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
class Oppgave1 {
public static void main(String[] args) {
JFrame vindu = new JFrame("Grid");
vindu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
vindu.add(panel);
lagGridKnaper(panel);
vindu.pack();
vindu.setVisible(true);
}
public static void lagGridKnaper(JPanel panel){
panel.setLayout(new GridLayout(2,3));
int teller = 1;
for(int i = 0; i < 2; i++){
for(int j = 0; j < 3; j++){
panel.add(new GridKnapp(""+teller++));
}
}
}
}
class GridKnapp extends JButton{
private String tall;
public GridKnapp(String tall){
super(tall);
this.tall = tall;
initGUI();
}
class EndreKnappTekst implements ActionListener{
@Override
public void actionPerformed(ActionEvent e){
if(getText().equals(tall)){
setText(":)");
}else{
setText(tall);
}
}
}
public void initGUI(){
addActionListener(new EndreKnappTekst());
}
}