Certificate of completion

Yan Enrique Costa Silva Dos Santos

Dart: dealing with errors, exceptions and null safety

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

Finished at October 23, 2025

Guilherme Silveira

Coordinator

Paulo Silveira

Chief Vision Officer

https://cursos.alura.com.br/certificate/2ea07966-c770-40a8-8e04-eeddf92ccc1d

Course lessons

Dart: dealing with errors, exceptions and null safety

  • Realizando primeira exceção
  • Utilizando Try-on-catch-finally
  • Pilha de execução e depuração
  • Segurança de nulos
  • Exceções personalizadas
Certificate authenticity QR code
Formal Certificate