1. How to Clear variables from JTextFields without closing whole program? stackoverflow.comI have created a text file in which to store some variables which are taken from text fields. But in order to submit new variables to this text file, I need ... |
2. Clearing JTextFields' field stackoverflow.comHow do we clear a JTextField's field after inputing something in that field? Note: I made the JTextFields in my JOptionPane |
3. Java clear textfield after "Enter" stackoverflow.comHow can I clear the text in the input field after the user submits the message. Im working on something similar to a chat. I've gotten to the point where when the ... |
4. Clear a JTextField coderanch.com |
5. clearing a text field for new text coderanch.com |
6. How to clear a JTextField!! coderanch.comHey, i have a problem! i have a piece of code that runs when a user uses a JButton, this code is therefore in an actionlistener. the problem is i want to clear the textfield everytime the button is pressed in preparation for a new string input. The problem is that it does clear! im pretty sure it has to do ... |
7. clearing/reseting text fields in GUI java-forums.org |
8. GUI Clearing Text Field not working java-forums.orgHi, just trying to clear a text field when I click a button but I have the error Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at Crimes$ButtonListener.actionPerformed(Crimes.java: 52) at javax.swing.AbstractButton.fireActionPerformed(Abs tractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultB uttonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(BasicButtonListener.java:236) at java.awt.Component.processMouseEvent(Component.jav a:6267) at javax.swing.JComponent.processMouseEvent(JComponen t.java:3267) at java.awt.Component.processEvent(Component.java:603 2) at java.awt.Container.processEvent(Container.java:204 1) at java.awt.Component.dispatchEventImpl(Component.jav a:4630) at java.awt.Container.dispatchEventImpl(Container.jav a:2099) at java.awt.Component.dispatchEvent(Component.java:44 ... |
9. How you validate a JTextFields from being Empty or clear? forums.oracle.comit dont really care is it null or " " or ' ' You mean your code doesn't care? Of course it does. You have written your code to compare the contents of your text field to null (this will never happen, by the way). You have not written it to compare to the empty string, as camickr already described. And ... |