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Home/ Questions/Q 614087
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T18:04:27+00:00 2026-05-13T18:04:27+00:00

I got a JTextField , and to that field I have added a Keylistener

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I got a JTextField, and to that field I have added a Keylistener. Inside the keyPressed method, I ask the method to print (System.out.println) whats inside the JTextField.. If I hit a letter, it seems as the Keylistener receives this key-hit before the JTextField is updated.. I have to hit two letters to see the first one..

All I need to do is to make every letter upper-case as they are inputted.. This I am trying to do by listening to every key (I also listen to the ENTER key for other reasons) and then do a textfield.setText(textfield.getText().toUpperCase());

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  1. Editorial Team
    Editorial Team
    2026-05-13T18:04:27+00:00Added an answer on May 13, 2026 at 6:04 pm

    I know its not so popular to answer your own question.. but I guess I found the solution.. Instead of doing all the upper-casing in the keyPressed method, I do it in the keyReleased 🙂

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