Dependency Injection (DI) in Spring Boot is a design pattern that allows objects to receive their dependencies from an external source (the ⁠Spring IoC container) rather than creating them internally ...

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The application allows users to create, view, update, and delete student records with both client-side and server-side validation.

Accessing Data • index: Use [0] to get the first item. • at (): A modern way to get items. You can use negative numbers like -1 to get items from the end. This is safer than standard bracket notation ...