How to Wrap Text in JOptionPane Error Dialogs?

How to Wrap Text in JOptionPane Error Dialogs

When displaying error messages using JOptionPane, the dialog's width can become excessive depending on the length of the message. To address this, consider the following solution:

As JOptionPane uses a JLabel for displaying text by default, it supports HTML formatting. By setting the maximum width using CSS, you can wrap the error message within a specified boundary.

JOptionPane.showMessageDialog(
    this, 
    "<p></p>

In this example, the width is set to 200 pixels, ensuring that the error message wraps within that boundary.

Additionally, for more comprehensive information on using HTML in Swing components, refer to the following resources:

• How to Use HTML in Swing Components
• Simple Example of Using HTML in JLabel

By incorporating this solution, you can easily wrap error messages in JOptionPane dialogs, ensuring readability and efficiency.

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