Tata Consultancy Services
Parte da empresa Tata Group
Empresa engajada
Pergunta de entrevista da empresa Tata Consultancy Services
Explain the difference between an interface and an abstract class in Java and when you would use each one.
Resposta da entrevista
Sigiloso
5 de mar. de 2026
I explained that an interface defines a contract that a class must implement, while an abstract class can contain both abstract and concrete methods. I also mentioned that a class can implement multiple interfaces but can only extend one abstract class.