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how to show error message in awt.frame

 
aminur rashid
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Posts: 79
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I have an awt frame in which i have a textfield and button and i want to show a popup when the button is clicked and the textfield is empty.With JPanel i can show it by showing message dialog JOptionPane.showMessageDialog(null, "hi ","Empty",JOptionPane.ERROR_MESSAGE);
How to do it with awt.frame
i know its simple but i am confused
Thanks in advance

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Regards
Aminur
 
Don't get me started about those stupid light bulbs.
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