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- JButton button=new JButton();
- int a=5;
- button.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent arg0) {
- // TODO Auto-generated method stub
- System.out.println(""+a);//Compiler Error:Cannot refer to a non-final variable a inside an inner class defined in a different method
- }
- });
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