because "this.fieldname" is null | Java Community | Help. Code. Learn. | Page 1

wanton phoenixBOT Jul 26, 2023, 12:12 PM

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signal lynx Jul 26, 2023, 12:13 PM

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can we have...more details

pale hornet Jul 26, 2023, 12:13 PM

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Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "javax.swing.JTextField.getText()" because "this.fieldname" is null
at Dns.dnsTriggerd(Dns.java:28)
at Layout$1.actionPerformed(Layout.java:63)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972)
at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2314)
at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:407)
at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)

signal lynx Jul 26, 2023, 12:13 PM

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i meant the code, so we can figure out why fieldname is null

pale hornet Jul 26, 2023, 12:14 PM

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dns.java

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📎 message.txt

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layout.java

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📎 message.txt

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i just want to be able to access the function from the actionlistiner

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in another file

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to not clutter all the layout file

signal lynx Jul 26, 2023, 12:16 PM

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fieldname is never intiialised (new JTextField())

pale hornet Jul 26, 2023, 12:19 PM

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ok how can i initialize ?

signal lynx Jul 26, 2023, 12:24 PM

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i showed in my message

signal chasm Jul 26, 2023, 12:26 PM

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We all know it was a trap. good thing he didn't trust you and just did new JTextField()

pale hornet Jul 26, 2023, 12:31 PM

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im new

#because "this.fieldname" is null