[solved :40 sec ]Error: Could not find or load main class in java

In this video i will show you how you can solve an error: Could not find or load main class in cmd while you are trying to run a java programme.

[karankhayani]

I was trying to remove this error from a couple of days and finally got it correct from your video. Thanks a ton. But can you please give a solution for how to fix it permanently??

[lavunikhilchowdary]

thank u bro
but how to for perminent fix