How to make text field to accept only alphabets

[Shrikanth Nekkanti]

I have a First name Text field.I want to make this text field to accept only characters.
How to make this text field to restrict accepting numbers and special characters.

[Ulf Dittmer]

Assuming you're talking about a Swing application, have a look at this code example. It shows how to allow digits only. From that it should be easy to adapt it to your purposes.

[Nathan Pruett]

Closing this duplicate post. Please continue discussion in the other thread.