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JTextField getText()

Posted on 2006-07-05
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Last Modified: 2012-06-21
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class Chapter636 extends JApplet
{
      private static final long serialVersionUID = 1L;
      public void init()
      {
            Container Form = getContentPane();
            Form.setLayout(new BorderLayout());
            JButton Calculate = new JButton("Calculate");
            Form.add(Calculate,BorderLayout.SOUTH);
            JPanel Panel = new JPanel();
            JTextField Base = new JTextField("Base",5);
            JTextField Exp = new JTextField("Exp",5);
            Panel.add(Base,BorderLayout.NORTH);
            Panel.add(Exp,BorderLayout.SOUTH);
            Form.add(Panel,BorderLayout.NORTH);
            Calculate.addActionListener(
                        new ActionListener()
                        {
                              public void actionPerformed(ActionEvent e)
                              {
                                    //JOptionPane.showMessageDialog(null,Base.getText()); //////////////////Error\\\\\\\\\\\\\\\\\\\\\\\
                              }
                        });
      }
}

In the above code, what do I need to change in order to get the value of the text field Base?
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Question by:List244
  • 3
4 Comments
 
LVL 86

Accepted Solution

by:
CEHJ earned 250 total points
ID: 17045302
final JTextField Base = new JTextField("Base",5);
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LVL 8

Author Comment

by:List244
ID: 17045323
Why does it need to be final?
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LVL 86

Expert Comment

by:CEHJ
ID: 17045401
Because Base is accessed in an anonymous class
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LVL 86

Expert Comment

by:CEHJ
ID: 17045525
:-)
0

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