Char « JTextField « Java Swing Q&A

  1. Java Swing Q&A
  2. JTextField
  3. Char




1. get input Text from JTextField (string to char) to show up in JButton    stackoverflow.com

(new rewritten code).. I just know that "b" will always the last box that i created.So i can't use b as the equals in actionPerformed. How to include all the buttons? ...

2. Input-validation based on entire content of JTextField, not just the last typed character    stackoverflow.com

Is there a way to validate text in a JTextField while you type, based on what you already typed in that field? Should I create a keyEventListener of some sort, or ...

3. JKeyListener chars / auto complete    stackoverflow.com

I want to make an auto completien textfield, wich replaces the input with the first hit and selects the part wich wasnt entered by the keyboard yet. To do so, i'll ...

4. JTextField limit input to certains chars only    stackoverflow.com

i'd like to create JTextField with input characters limited to someting like "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYWZZ0123456789+&@#/%?=~_-|!:,.;" so i tried overriding 

public class CustomJTextField extends JTextField {  
String goodchars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYWZZ0123456789+&@#/%?=~_-|!:,.;";

//... my class body ...//

@Override
public void processKeyEvent(KeyEvent ...

5. Fixing Max. char in JTextField    coderanch.com

6. Disallow certain chars in JTextField    coderanch.com

I'd been playing with a class that does something similar. Code is below. Basically I use TextListener() to check for changes to my textfield. For every change I parse the string to remove unwanted chars. Then I replace the textfields old value with the new parsed value. The problem I've encountered with my approach is that my little test app goes ...

7. Only Alpha or numeric chars in JTextField    coderanch.com

8. JTextfield only allow specific chars    java-forums.org

9. char in JTextField    java-forums.org





10. Stopping a JTextField from Immediately placing a char in it.    forums.oracle.com

Hey Guys, Is there a way to stop a textbox from immediately writing the key that you press in? I want to be able to press one key, and it instantly pops up as a character from a predetermined sentence. I've tried keypress and keyrelease but both of them have a temporary lag, where the actual keypressed will show up and ...