Add Jbutton to Jpanel

Question

can somebody tell me what is wrong with this code i am trying to add the buttons to my JPanel

ArrayList<JButton> buttons = new ArrayList<JButton>();

JPanel createButtonspane(){
   bpanel = new JPanel();
   for(int i=0; i<10; i++){
      buttons.add(new JButton(""+i));
      bpanel.add(buttons);
   }
   return bpanel;
}

Answer 1

This code does not compile because JPanel does not have an overload of add() which takes an array of JButton s, so you can not add a whole array of buttons to the JPanel (even if it was possible, you would need to do it outside of your for() -loop).

Simply add your button directly to the JPanel :

JPanel createButtonspane(){
   bpanel = new JPanel();
   for(int i=0; i<10; i++){
      bpanel.add(new JButton(""+i));
   }
   return bpanel;
}

If you still need to refer to the individual JButton s later, add them to the array in addition:

JPanel createButtonspane(){
   bpanel = new JPanel();
   for(int i=0; i<10; i++){
      JButton button = new JButton(""+i);
      buttons.add(button);
      bpanel.add(button);
   }
   return bpanel;
}