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i want to add isEnabled() method to JTextField, i write a code


tRate=new JTextField();
if (tRate.isEnabled()){
JOptionPane.showMessageDialog(c,"press any key to get rate");
}
but it is...

i hav created a combobox and add elements to it from database . combobox contain elements lyk 1-2year,12 months,5-9years, means numeric as well as text.
but now i want to extract only numeric data...

table tr used has only 2 columns first one is time period of type text nd second is rate of type text
acc. to me error is in bold lines
my code is

try ...