TypeScript for Beginners - Array Interfaces

The video tutorial explains how to create interfaces for array types, focusing on numeric and string-based indices. It demonstrates the process of creating a numeric index array in Visual Studio Code, defining an interface for student names, and implementing it. The tutorial also covers error handling when incompatible types are used, emphasizing the importance of matching index and value types.

Explain the importance of using the interface keyword when creating an array interface.

What happens if you try to use numbers instead of strings in the defined array interface?