How do you change the size of a JOptionPane?

Posted on by Muna Meyer

How do you change the size of a JOptionPane?

setCellRenderer(cellRenderer); scrollpane = new JScrollPane(list); JPanel panel = new JPanel(); panel. add(scrollpane); JOptionPane. showMessageDialog(null, panel, “Error List”, JOptionPane. PLAIN_MESSAGE);

How do I set the location on JOptionPane?

  1. you can change this for whatever JComponent , for example declared as local variable, then you can pass JOptionPane.showMessageDialog(myButton, “File… , JOptionPane must be called on the EDT.
  2. yea thx I change this to null and now it is in the midlle thx but you answer in comment and I cant finish this question 🙂

How do you wrap text in JOptionPane?

More generally, see How to Use HTML in Swing Components, as well as this simple example of using HTML in JLabel . Add your message to a text component that can wrap, such as JEditorPane , then specify the editor pane as the message to your JOptionPane .

What are the different methods of JOptionPane classes?

Class JOptionPane

Method Name Description
showConfirmDialog Asks a confirming question, like yes/no/cancel.
showInputDialog Prompt for some input.
showMessageDialog Tell the user about something that has happened.
showOptionDialog The Grand Unification of the above three.

How do I change the background color in JOptionPane?

put(“control”, new Color(0, 0, 0)); This is also call “Dark Nimbus” add this top of your main frame’s main method. So it will automatically change All JOptionPane’s background.

Which package includes the JOptionPane?

The JOptionPane class is used to provide standard dialog boxes such as message dialog box, confirm dialog box and input dialog box….Common Constructors of JOptionPane class.

Constructor Description
JOptionPane(Object message) It is used to create an instance of JOptionPane to display a message.

What is JOptionPane showMessageDialog in Java?

Message dialogs are created with the JOptionPane. showMessageDialog() method. We call the static showMessageDialog() method of the JOptionPane class to create a message dialog. We provide the dialog’s parent, message text, title, and message type.

What is showMessageDialog?

This method is a quick and easy way to tell the user about something that has happened . The showMessageDialog() can be called using the following combinations of parameters: Component, Object Component, Object, String, int Component, Object, String, int, Icon.

What should I import to JOptionPane?

Java JOptionPane Example: showInputDialog()

  • import javax.swing.*;
  • public class OptionPaneExample {
  • JFrame f;
  • OptionPaneExample(){
  • f=new JFrame();
  • String name=JOptionPane.showInputDialog(f,”Enter Name”);
  • }
  • public static void main(String[] args) {