Interfaces – Page 2 – Sharp: NCLEX, Java & Python

Java: Interfaces

How do interfaces define contracts in Java?

Why does implementing multiple interfaces in a class help in practice?

When is an interface usually a better fit?

How would you explain an interface in a Java interview?

Why are interfaces important for multiple inheritance?

How does using interfaces promote loose coupling?

Why does default methods in interfaces matter in this design?

How do you resolve conflicts with default methods from multiple interfaces?

How would you explain a marker interface in an interview?

How do interfaces improve testability and substitution in Java?