Certificate of completion

RENOALDO COSTA SILVA JUNIOR

Java Polymorphism: understand inheritance and interfaces

completed the online course with an estimated workload of 16 hours.

Finished at March 02, 2022

Guilherme Silveira

Coordinator

Paulo Silveira

Chief Vision Officer

https://cursos.alura.com.br/certificate/665abd1e-918c-467f-938b-602912caf444

Course lessons

Java Polymorphism: understand inheritance and interfaces

  • Introduction to inheritance
  • Super and rewriting of methods
  • Understanding Polymorphism
  • Inheritance and use of constructors
  • Abstract classes and methods
  • Interfaces
  • Practicing inheritance and interfaces
Certificate authenticity QR code
Formal Certificate