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how can i display output text in a textArea of a jpanel

 
Greenhorn
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hello,
i have a tabbed pane with 3 jPanel.2 is for processing and another 1 is to display an output.
there is a button 'Generator' in both processing panel,after process the information,i want to display the output in a textarea in output panel.currently my code doesnt has error but the output doesnt displayed in textarea.this is my code (i show for 2 jpanel only).

 
Ranch Hand
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Have you added your output textarea in jpanel3, looking at your code there is not component added to jpanel3
 
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