Java Programming I on YouTube:
https://www.youtube.com/playlist?list=PLLIqcoGpl73iaXAtS_-V_Xdx3mhTzPwb5

Exceptions, Console Input Validation, Handling Errors

1. Error Types
2. Common syntax errors
3. Common runtime errors
4. Common logic errors
5. Exception hierarchy
6. Exception Stack Trace
7. Methods that throw exceptions
8. try statement
9. InputMismatchException class
10. InputMismatchException example
11. The catch Blocks
12. The finally Block
13. Scanner input validation
14. Code that prevents an InputMismatchException
15. Code that prevents a NullPointerException
16. Scanner hasNextDouble example
17. Another Scanner hasNextDouble example
18. The Catch or Specify Requirement