Java display error message box

WARNING_ MESSAGE) ; JDialog dialog = optionPane. createDialog( " Warning! setAlwaysOnTop( true) ; / / to show top of all e How to Make Dialogs. You can use: JOptionPane. showMessageDialog( frame, " Eggs are not supposed to be green. " ) ; And you can also change the symbol to an error message or an warning. g see JOptionPane. You just need to create a new Alert with its content set to a TextArea inside of a ScrollPane, and then add your exception text to the TextArea. Exception e = new Exception( " An exception! " ) ; StringWriter sw = the public void uncaughtException( final Thread pThread, final Throwable pException) method you could then open an error dialog using JOptionPane. showMessageDialog(. ) or something similar. That would allow you to open a popup for.

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    Display java error

    AlertType; import javafx. Platform; public class ClassNameHere { public static void infoBox( String infoMessage, String titleBar) { / * By specifying a null headerMessage String, we cause the dialog to not have a. Display error message dialog with JOptionPane. ERROR_ MESSAGE : OptionPane « Swing JFC « Java. Most Dialogs present an error message or warning to a user, but Dialogs can present images, directory trees, or just. For most simple modal dialogs, you create and show the dialog using one of JOptionPane ' s showXxxDialog methods. This is project code. when I double click the file it doesn' t do anything and I' m expecting to see a message box. Can you please tell me what am I doing wrong and help me fix it. * ; public class Starter. Here is the code to a method I call whenever I want an information box to pop up, it hogs the screen until it is accepted:. the null puts it in the middle of the screen. put whatever in quotes under alert message. If you do the loop right, you' ll need only one dialog: String message = " Enter Your Name: " ; String playerName = null; do { playerName = JOptionPane.

    showInputDialog( message) ; message = " < html> < b style= ' color: red' > Enter.