The joptionpane showinputdialog string
By Marilena May 29, Updated: November 29, Viewed: This is a review of the showInputDialog method of JOptionPane Class.
With this method we can prompt the user for input while customizing our dialog window. The showConfirmDialog returns either String or Object and can be called using the following combinations of parameters:.
JOptionPane (Java Platform SE 7 )
Example of a question-message dialog with an initial value that gets user input as String:. If we set the Component to null, the result will be the same with number 1.
For this example we will create a JFrame to put our dialog in. The frame closes unless the user types something in the field:.
If we set the Component to null, the result will be the same with number 2. For this example we will change slightly the code from number An example of an information-message using the default icon through JOptionPane. The different options appear in a form of a drop down menu with a selected initial value:. On all previous examples a String was used in the place of Object ; for this example we will use a JPanel in the place of the Object.
java - wunesajoc.web.fc2.computDialog with String in input field - Stack Overflow
The JPanel is customized and has a JLabel added to it. We are also manipulating the size of the OptionPane using a call to UIManager.
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Java Swing — JOptionPane showInputDialog example By Marilena May 29, Updated: The showConfirmDialog returns either String or Object and can be called using the following combinations of parameters: Object returns String — Shows a the joptionpane showinputdialog string dialog requesting input from the user.
Object, Object returns String — Shows a question-message dialog requesting input from the user with the input value initialized.
java - How can I use the input from a wunesajoc.web.fc2.computDialog to be used as a message? - Stack Overflow
Component, Object returns String — Shows a question-message dialog requesting input from the user. Returns the input as String. The Component determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used. Component, Object, Object returns String — Same as above.
The only difference is that the input field has an initial value set through the last Object parameter. Component, Object, String, int returns String — Shows a dialog requesting input from the user. The dialog has a title set through the String parameter and a MessageType set through the int parameter.
The different MessageTypes for JOptionPaneare: The Icon if not null is displayed inside the dialog and overrides the default MessageType icon. Object — The simplest way to get user input Example of a question-message dialog that gets user input as String: Notify of new replies to this comment. Favorites Links Android Getting Started Google App Engine — Java Spring 2. Partners JAX London Java Code Geeks.