What are the best practices for using interfaces in Java?

What are the best practices for using interfaces in Java?

Some best practices include keeping interfaces focused, using descriptive names, and avoiding default methods unless necessary.

Can you explain why keeping interfaces focused is important?

Keeping interfaces focused ensures that they are easier to implement and understand, promoting better code maintainability.

What naming conventions should I follow for interfaces?

It's common to prefix interface names with an 'I' (e.g., 'IShape') or use descriptive names that convey their purpose.

Are there any common mistakes to avoid when designing interfaces?

Yes, common mistakes include making interfaces too broad, not using them when appropriate, and failing to document them properly.