Certificate of completion

DAVI VINÍCIUS DE ALCÂNTARA

Java and java.lang: program with the Object and String class

completed the online course with an estimated workload of 12 hours.

Finished at June 14, 2022

Guilherme Silveira

Coordinator

Paulo Silveira

Chief Vision Officer

https://cursos.alura.com.br/certificate/dd3e4905-b7f0-4ae3-890b-6688b2c060ca

Course lessons

Java and java.lang: program with the Object and String class

  • Organizing classes with Packages
  • All access modifiers
  • Distribution of your code
  • The java.lang package
  • The Object class
Certificate authenticity QR code
Formal Certificate