How to limit the number of characters in a JTextField in Java? [closed]

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#1 by (4 votes)

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I would like to limit the number of characters that are entered in a JTextField in java

java

asked by Manuel Nava 19.04.2017 в 05:02

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1 answer

score 4 · Accepted Answer

You have to use KeyListener

    public void keyTyped(KeyEvent e) 

    {
if (jTextFieldName.getText().length()== limite) 

         e.consume(); 
    }

limit is the maximum number of characters you want.

e.consume()

removes the characters that are entered when the limit is reached.