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Certificate of Attendance
This certifies that
Jan Roztropinski
has successfully completed
Effective Java
training
on: 2019.09.23
in: Riga
length: 2 days
trainer: Eduards Sizovs
This certificate is also available online at the following URL:
https://certs.devchampions.com/Y6UXBUZNDN
Java
issued on: 2019.09.26