The following advanced JOptionsPane’s showOptionDialog example takes advantage of each parameter. It adds a red JFrame upon which to display the dialog box, and an image icon featuring the Java mascot ...

More to the point, Java 8 is no longer supported by Oracle. Java 11 and Java 17 are the new LTS Java releases. The next LTS release, Java 21, is coming in 10 months. If you are using Java 8, you must ...