Certificate of completion

Leandro Totino Pereira

Java SE 7 Programmer I Certification: Data types

completed the online course with an estimated workload of 8 hours.

Finished at May 25, 2021

Guilherme Silveira

Coordinator

Paulo Silveira

Chief Vision Officer

https://cursos.alura.com.br/certificate/2dffa875-71d2-4fee-9b47-91ff19688d69

Course lessons

Java SE 7 Programmer I Certification: Data types

  • Declare and initialize variables
  • Differentiate between object reference variables and primitive types
  • Reading or writing object fields
  • The life cycle of an object
  • Method calls on objects
  • Manipulating data using the StringBuilder class
  • Creating and Manipulating Strings
Certificate authenticity QR code
Formal Certificate