C validating user input

You can split the message over several lines by putting newline (Generally used to specify the string displayed by each button at the bottom of the dialog.See Customizing Button Text in a Standard Dialog for more information.The following figure shows the icons used in the Java (and Windows) look and feel.method asks the user to confirm something, but presents standard button text (Yes/No or the localized equivalent, for example) rather than button text customized to the user situation (Start/Cancel, for example).static String show Input Dialog(Object) static String show Input Dialog(Component, Object) static String show Input Dialog(Component, Object, String, int) static String show Input Dialog(Component, Object, String, int, Icon, Object[], Object)Show a modal dialog that prompts the user for input.The single-argument version specifies just the message, with the parent component assumed to be null.

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.A fourth method, Displays a modal dialog with one button, which is labeled "OK" (or the localized equivalent).You can easily specify the message, icon, and title that the dialog displays.When the frame is iconified, its dependent Dialogs also disappear from the screen.When the frame is deiconified, its dependent Dialogs return to the screen.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.

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