C validating user input

6854933580_2c8b688306_z

Here are some examples of using Displays a modal dialog with the specified buttons, icons, message, title, and so on.

With this method, you can change the text that appears on the buttons of standard dialogs. YES_NO_OPTION); constructors are standardized, though the number of arguments for each method and constructor varies. To see the exact list of arguments for a particular method, see The Dialog API.

You can even specify that an option pane put itself into an internal frame ( icons (question, information, warning, and error).

Each look and feel has its own versions of the four standard icons.

By default, the option pane type determines how many buttons appear. QUESTION_MESSAGE, null, //do not use a custom Icon options, //the titles of buttons options[0]); //default button title is returned, it indicates that the user closed the dialog window explicitly, rather than by choosing a button inside the option pane.

PLAIN_MESSAGE, icon, possibilities, "ham"); //If a string was returned, say so. = null) && (s.length() Because the user can type anything into the text field, you might want to check the returned value and ask the user to try again if it is invalid.See Creating and Showing Simple Dialogs for a discussion of the arguments and their effects. The arguments specify (in order) the parent component, message, title, option type, message type, icon, options, and initial value for the dialog.See Creating and Showing Simple Dialogs for a discussion of the arguments and their effects.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.static int show Confirm Dialog(Component, Object) static int show Confirm Dialog(Component, Object, String, int) static int show Confirm Dialog(Component, Object, String, int, int) static int show Confirm Dialog(Component, Object, String, int, int, Icon)Show a modal dialog that asks the user a question.

You must have an account to comment. Please register or login here!