Swing JOptionPane Class – Learn SWING in simple and easy steps starting from basic to advanced concepts with examples including Overview, Environment. The JOptionPane class is used to provide standard dialog boxes such as message dialog box, confirm dialog box and input dialog box. These dialog boxes are. JOptionPane Dialog «Swing «Java Tutorial. The JOptionPane Message Argument is an Object, not a String. Using JOptionPane to Display a Message.

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The class JOptionPane is a component which provides standard methods to pop up a standard dialog box for a value or informs the user of something.

Creates a instance of JOptionPane to display a message using the plain-message message type and the default options delivered by the UI. Creates an instance of JOptionPane to display a message with the specified message type and the default options.

Creates an instance of JOptionPane to display a message with the specified message type and options.

JOptionPane Dialog « Swing « Java Tutorial

Creates an instance of JOptionPane to display a message with the specified message type, options, and icon. Creates an instance of JOptionPane to display a message with the specified message type, icon, and options.

Creates an instance of JOptionPane to display a message with the specified message type, icon, and options, with the initially-selected option specified.

Creates and returns a new JDialog wrapping this centered on the parentComponent in the parentComponent’s frame. Sets the initial value that is to be enabled — the Component that has the focus when the pane is initially displayed. Sets the input selection values for a pane that provides the user with a list of items to choose from. Brings up a dialog where the number of choices is determined by the optionType parameter, where the messageType parameter determines the icon to display.

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Brings up a dialog with a specified icon, where the number of choices is determined by the optionType parameter. Shows a dialog requesting input from the user parented to parentComponent with the dialog having the title title and message type messageType. Prompts the user for input in a blocking dialog where the initial selection, possible selections, and all other options can be specified.

Shows a question-message dialog requesting input from the user, with the input value initialized to initialSelectionValue. Brings up an internal dialog panel with the options Yes, No and Cancel; with the title, Select an Option.

Brings up a internal dialog panel where the number of choices is determined by the optionType parameter.

JOptionPane tutorial

Brings up an internal dialog panel where the number of choices is determined by the optionType parameter, where the messageType parameter determines the icon to display. Brings up an internal dialog panel with a specified icon, where the number of choices is determined by the optionType parameter. Shows an internal question-message dialog requesting input from the user parented to parentComponent. Shows an internal dialog requesting input from the user parented to parentComponent with the dialog having the title title and message type messageType.

Prompts the user for input in a blocking internal dialog where the initial selection, possible selections, and all other options can be specified. Brings up an internal dialog panel that displays a message using a default icon determined by the messageType parameter. Brings up a dialog that displays a message using a default icon determined by the messageType parameter.

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Brings up a dialog with a specified icon, where the initial choice is determined by the initialValue parameter and the number of choices is determined by the optionType parameter. Brings up an internal dialog panel with a specified icon, where the initial choice is determined by the initialValue parameter and the number of choices is determined by the optionType parameter.

Create the following Java program using any editor of your choice in say D: Compile the program using the command prompt. If no error occurs, it means the compilation is successful. Run the program using the following command.

JOptionPane tutorial

JOptionPane Jotionpane message, int messageType Creates an instance of JOptionPane to display a message with the specified message type and the default options. JOptionPane Object message, int messageType, int optionType, Icon icon, Object[] options, Object initialValue Creates an instance of JOptionPane to display a message with the specified message type, icon, and options, with the initially-selected option specified.

Object getInitialSelectionValue Returns the input value that is displayed as initially selected to the user. Object getInputValue Returns the value the user has input, if wantsInput is true.

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