Add listener to ArrayList

Question

I have an ArrayList which I add some Objects to it dynamically, and I have a JButton. The ArrayList is empty when running my program and the JButton is set to setEnabled(fal

Answer 1

As @Jon Skeet suggests you can also do something like :

public class ListResponseModel extends AbstractListModel {

    private static final long serialVersionUID = 1L;

    private ArrayList delegate = new ArrayList();

    @Override
    public int getSize() {
        return delegate.size();
    }

    @Override
    public Object getElementAt(int index) {
        return delegate.get(index);
    }

    public void add(E e){
        int index = delegate.size();
        delegate.add(e);
        fireIntervalAdded(this, index, index);
    }
}