Displaying Error Messages In Java
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JComponent Class Using Text Components Text Component Features The Text Component API How to Use Various Components How to Make Applets How to Use Buttons, Check Boxes, and Radio Buttons How to Use the ButtonGroup Component How to Use Color Choosers How to Use Combo java runtime error messages Boxes How to Make Dialogs How to Use Editor Panes and Text Panes How to Use java error messages and solutions File Choosers How to Use Formatted Text Fields How to Make Frames (Main Windows) How to Use Internal Frames How to Use Labels java error messages list How to Use Layered Panes How to Use Lists How to Use Menus How to Use Panels How to Use Password Fields How to Use Progress Bars How to Use Root Panes How to Use Scroll Panes How to
Java Error Messages Best Practices
Use Separators How to Use Sliders How to Use Spinners How to Use Split Panes How to Use Tabbed Panes How to Use Tables How to Use Text Areas How to Use Text Fields How to Use Tool Bars How to Use Tool Tips How to Use Trees How to Use HTML in Swing Components How to Use Models How to Use Icons How to Use Borders Solving Common Component Problems Trail: Creating a GUI With JFC/Swing how to show error message in java Lesson: Using Swing Components Section: How to Use Various Components Home Page > Creating a GUI With JFC/Swing > Using Swing Components «Previous•Trail•Next» How to Make Dialogs A Dialog window is an independent subwindow meant to carry temporary notice apart from the main Swing Application Window. Most Dialogs present an error message or warning to a user, but Dialogs can present images, directory trees, or just about anything compatible with the main Swing Application that manages them. For convenience, several Swing component classes can directly instantiate and display dialogs. To create simple, standard dialogs, you use the JOptionPane class. The ProgressMonitor class can put up a dialog that shows the progress of an operation. Two other classes, JColorChooser and JFileChooser, also supply standard dialogs. To bring up a print dialog, you can use the Printing API. To create a custom dialog, use the JDialog class directly. The code for simple dialogs can be minimal. For example, here is an informational dialog: Here is the code that creates and shows it: JOptionPane.showMessageDialog(frame, "Eggs are not supposed to be green."); The rest of this section covers the following topics: An Overview of Dialogs The DialogDemo Example JOptionPane Features Creating and Showing Simple Dialogs Customizing Button Text Getting the User's Input from a Dialog Stopping Automatic Dialog Closing The Dialog API Examples that Use Dialogs An Overview of Dialogs Every dialog is dependent
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Java Swing Show Error Message
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Java Show Message Dialog
Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it http://docs.oracle.com/javase/tutorial/uiswing/components/dialog.html only takes a minute: Sign up Need to use JOptionPane.ERROR_MESSAGE type of JDialog in a JFrame up vote 1 down vote favorite I had used JDialog box to display an Error message , JOptionPane.showMessageDialog( null, "ErrorMsg", "Failure", JOptionPane.ERROR_MESSAGE); but the condition is the message box should always be on the foreground so that the user is bound to proceed and http://stackoverflow.com/questions/7993000/need-to-use-joptionpane-error-message-type-of-jdialog-in-a-jframe doesn't misses it. Hence i used a JFrame instead and used setAlwaysOnTop(true) to display the message.i used JLabel and JButton and I made it appear as JDialog by the help of the below link need to remove maximize and minimize buttons from jframe to reduce width further I want to add a Error message symbol in the above frame as we get when we use JOptionPane.ERROR_MESSAGE type in a dialog. I dont want to add an Image Icon in the JFrame. I am extending my class from JDialog. Is it possible to use MessageType in my frame? java swing awt jdialog share|improve this question edited Mar 13 '12 at 12:31 Xaerxess 16.4k25784 asked Nov 3 '11 at 9:59 Shaik Md 3023518 add a comment| 2 Answers 2 active oldest votes up vote 5 down vote accepted The Method setAlwaysOnTop(boolean) belongs to Window class. So both classes JDialog and JFrame inherit this method. You can use JDialog marked as AlwaysOnTop. You can use JOptionPane to prepare required JDialog: JOptionPane optionPane = new JOptionPane("ErrorMsg", JOptionPane.ERROR_MESSAGE); JDialog dialog = optionPane.createDialog("Failure"); dialog.setAlwaysOnTop(true); dialog.setVisible(t
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow http://stackoverflow.com/questions/11563555/error-messages-with-java-swing the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error messages with Java Swing up vote 4 down vote favorite 2 I have a query on handling error error message conditions with Java Swing. I am using Netbeans to develop a simple Java Swing app. It is to load in a text file, then run calculation based on the numbers found in the text file. The main Swing class holds the JFrames and JPanels. I have the file loading code as a separate class file. It returns the number of lines read and a List of numbers back to the main Swing java error messages app. I realised that if the file reading fails (i.e. try -> catch (Exception ex)), the entire app will crash. What's the best way to handle errors resulting from my scenario above? That is to say, the file loading code crashes and I don't want the entire program to crash. I want the program to say the file is corrupted and wait for user to load new file. Any thoughts? Yakult java swing netbeans share|improve this question edited Jul 19 '12 at 14:57 ewok 5,1201556124 asked Jul 19 '12 at 14:56 Poliquin 71821330 2 Maybe you should show some code to see what you do exactly? –Wim Deblauwe Jul 19 '12 at 14:58 add a comment| 3 Answers 3 active oldest votes up vote 4 down vote accepted when you catch the exception, run: JOptionPane.showMessageDialog("File is corrupted. Please select a new file."); Then display the file dialog again. It's probably best to do this as a loop that continues while the the file is not valid. If there is a corruption, then rather than throwing an exception, set a boolean flag and loop as long as the flag is set. That way, when a good file is found, the while loop will terminate. Example: public static void main(String[] args){ boolean goodFile = false; while (!g