Jan 29, 2014 · I have created a GUI in java, which holds a number of JButtons. I want to include some exception handling so that if a particular button is clicked twice or directly after each other, a message pops up to say that this command is not allowed.

Sep 10, 2012 · I think the best is to explicitly catch all checked exceptions, and install an uncaught exception handler for the rest. See this: How can I detect when an Exception's been thrown globally in Java? This is how I use Thread.setDefaultUncaughtExceptionHandler:

Jul 21, 2017 · I'm a little lost on how to handle unchecked exceptions in my GUI application. I e.g. have a function that saves a company newly created by the user in a (embedded) database. The function for saving the newly created company throws 3 Exceptions: IllegalArgumentException: If the company or a not null field is null (Manually checked and thrown).

Jun 18, 2019 · The calling "GUI" provides a functional callback for a certain output function (in form of an interface implementation, or by using the functional programming concepts from Java 8). The callback is passed to the non-GUI code which then calls it …

Use `SwingUtilities.invokeLater()` to ensure updates to the GUI are made on the Event Dispatch Thread (EDT). Implement custom exception handlers for specific tasks, enabling easier debugging and user notifications. Utilize logging frameworks …

Jan 30, 2024 · Exception handling in inheritance; Overriding methods and exceptions; Using super to handle exceptions; Catching and rethrowing exceptions in subclasses

In practical terms, an exception to this is in GUI applications (including Swing applications), where an uncaught exceptions occurs in the event dispatch thread. This means in event handlers, such as the actionPerformed () method of an ActionListener. In such cases:

Oct 10, 2009 · You can call Thread.setDefaultUncheckedExceptionHandler() to set the default method for handling unchecked exceptions in all threads, and also call System.setProperty("sun.awt.exception.handler", "string-that-names-exception-handler-class") so that the system will pass exceptions to the class of your choice.

Nov 25, 2003 · When an exception occurs in Swing code, it is typically printed to the console, assuming we have one. On some systems the Swing thread is then stopped. In this newsletter we present a way that we can intercept the exception and display a warning dialog.

Sep 16, 2024 · I make use of Java's built-in exception-handling features, which include the try, catch, finally, and throws keywords. We employed catch exceptions, error information retrieval, and exception classification to identify potential types of exceptions.