Certificate of completion

Milena Oliveira Penhalves

Programming Best Practices: Improve the Code of a Java API

completed the online course with an estimated workload of 10 hours.

Finished at September 26, 2025

Guilherme Silveira

Coordinator

Paulo Silveira

Chief Vision Officer

https://cursos.alura.com.br/certificate/ddea08ee-a321-47b9-874f-2800911d3b1c

Course lessons

Programming Best Practices: Improve the Code of a Java API

  • Separation of responsibilities
  • The Data Transfer Object pattern
  • Flexible validations
  • Optimizations in the persistence layer
  • Challenges
Formal Certificate