Certificate of completion

Willian Clovis Padilha da Silva

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

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

Finished at May 21, 2021

Guilherme Silveira

Coordinator

Paulo Silveira

Chief Vision Officer

https://cursos.alura.com.br/certificate/23561ae9-f607-4842-8f8a-8d7dc6f2c7af

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