Populate « JTextField « Java Swing Q&A

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1. Auto Populate a jTextField with NetBeans    stackoverflow.com

I have created a jFrame using NetBeans that opens when a button on the main GUI is clicked to add a new entry. I want to know if there is ...

2. Cannot take populate JTextfield    coderanch.com

int answer = JOptionPane.showConfirmDialog(null, searchView, "User Search", JOptionPane.OK_CANCEL_OPTION); Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: adding a window to a container at java.awt.Container.addImpl(Unknown Source) at java.awt.Container.add(Unknown Source) at javax.swing.plaf.basic.BasicOptionPaneUI.addMessageComponents(Unknown Source) at javax.swing.plaf.basic.BasicOptionPaneUI.createMessageArea(Unknown Source) at javax.swing.plaf.basic.BasicOptionPaneUI.installComponents(Unknown Source) at javax.swing.plaf.basic.BasicOptionPaneUI.installUI(Unknown Source) at javax.swing.JComponent.setUI(Unknown Source) at javax.swing.JOptionPane.setUI(Unknown Source) at javax.swing.JOptionPane.updateUI(Unknown Source) at javax.swing.JOptionPane.(Unknown Source) at javax.swing.JOptionPane.showOptionDialog(Unknown Source) at javax.swing.JOptionPane.showConfirmDialog(Unknown Source) at javax.swing.JOptionPane.showConfirmDialog(Unknown Source) at javax.swing.JOptionPane.showConfirmDialog(Unknown Source) ...