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class AddHandler implements ActionListener {
public void actionPerformed(ActionEvent event) {
AddTotal totals = new AddTotal();
totals.add();
}
}


class...

This is exactly what I mean, but I just can't work out how to do it correctly. I'm getting errors everytime including 'cannot put add(Double) into jButton....

I've created a calculator. Two .java files, one the calculator, one the GUI.

I'm stuck on how to link up the jButton ActionListeners.... wondering if anyone can help...

import javax.swing.*;...