What class is JOptionPane?
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 used to display information or get input from the user. The JOptionPane class inherits JComponent class.
What does JOptionPane mean?
JOptionPane makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something. For information about using JOptionPane , see How to Make Dialogs, a section in The Java Tutorial.
What library or package includes the JOptionPane class?
JOptionPane; This tells java that we want to use the JOptionPane class, located in the javax. swing library.
Which package is imported using JOptionPane?
For example, to import the JOptionPane class from the javax. swing package, we can use the following import statement: import javax. swing.
How many types of message dialog boxes are defined in the JOptionPane class?
The JOptionPane displays the dialog boxes with one of the four standard icons (question, information, warning, and error) or the custom icons specified by the user. MessageDialog – dialog box that displays a message making it possible to add icons to alert the user.
What is import javax swing JOptionPane?
javax.swing.JOptionPane. The Java API class javax. swing. JOptionPane has facilities for creating a dialog box that can appear on the computer’s desktop to request input from or display messages to the user.
What are the different types of dialogs in Java?
There are two basic types of dialogs: modal and modeless. Modal dialogs block input to other top-level windows. Modeless dialogs allow input to other windows. An open file dialog is a good example of a modal dialog.
What is javax swing JOptionPane?
It is a part of Java Swing which is used for creating window-based applications. JOptionPane is a component from Java Swing and it deals with dialog boxes especially. The dialog boxes can be of any type such as confirm dialog box, message dialog box or input dialog box.
What is the use of joptionpane class?
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 used to display information or get input from the user.
What is the use of joptionpane dialog box?
These dialog boxes are used to display information or get information from the user. JOptionPane class inherits from JComponent class. It is used to create an instance of JOptionPane with a test message. It is used to create an instance of JOptionPane to display a message.
What is the difference between it and createdialog in joptionpane?
It is used to create an instance of JOptionPane to display a message with the specified message type and default options. createDialog (String title) : It is used to create and return a new JDialog without parent with the specified title.
What is the use of showinputdialog and setinputvalue in joptionpane?
showInputDialog (Component parentComponent, Object message) : It is used to display a question-message box requesting user input. void setInputValue (Object newValue) : It is used to set the value entered by the user. import javax.swing.*; JOptionPane.showMessageDialog(frame,”Welcome to StackHowTo!”); import javax.swing.*; import javax.swing.*;