Java Possible errors while compiling first program in tamil|file not found|invalid flag|annotation

Possible errors while compiling first java program in tamil. There may be times you write the program correctly but still error occurs it be because of wrong commands given. So in this video i have explained few such errors like
File not found
Invalid flag
Annotation processing
https://www.youtube.com/channel/UChM6fqS16dKYAf5hbG5Uczg?sub_confirmation=1


Possible errors from java main function in tamil
https://www.youtube.com/watch?v=MzuNxmS3V40&t=5s

variable is already defined in method error in java tamil
https://www.youtube.com/watch?v=d8W9rh_pI08&t=16s

variable might not have been initialized error in tamil
https://www.youtube.com/watch?v=_O83p0ryF5A&t=9s

java - invalid method declaration, missing return statement error in tamil
https://www.youtube.com/watch?v=ZO9k374aEro&t=31s

java - expected , illegal start of expression errors in tamil
https://www.youtube.com/watch?v=Kk0R5xfLynM&t=71s

java - non static variable cannot be referenced from a static context error in tamil
https://www.youtube.com/watch?v=616Cq1unN-A&t=12s

java - reached end of the file while parsing error in tamil
https://www.youtube.com/watch?v=MDaRFt2KVns&t=9s

java - class, interface or enum expected error in java
https://www.youtube.com/watch?v=8hnd-OQOqrU&t=5s

incompatible types: possible lossy conversion in tamil
https://www.youtube.com/watch?v=bUIvq5FkbOI&t=111s

Java-cannot find symbol error in tamil|core java in tamil
https://www.youtube.com/watch?v=cHwjL8cD0IQ&t=15s

My maths videos:

Adjoint of 2×2 matrix in tamil
https://youtu.be/KpWdITeQfE4