Now I am using the JDK 18 version. When I tried to execute the applet program I am getting an error telling could not find or load the main class sun.applet.appletviewer.

I saw many videos on YouTube to solve this problem, they are asking me to uninstall the current version of the JDK file and install JDK 8 which allows running an applet program in eclipse, is there any other way to solve this problem professionally?

CodePudding user response：

Java 17 removed supports for Applets, and most browsers had long since removed their support for them. The only way they can work is with a version of Java before Java 9. I don't want to be mean, but you solve this problem "professionally" by moving to a different technology.

https://www.oracle.com/technetwork/java/javase/migratingfromapplets-2872444.pdf

CodePudding user response：

You can install Eclipse Applet Runner plug-in and run your applet in it: https://marketplace.eclipse.org/content/applet-runner-eclipse

Note that you can also download it from the application website https://www.japplis.com/applet-runner/