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Anonymous #11503162 started the lesson entitled "介紹日期類型"

Arnold Hauptricht is making attempt 9 to complete the "Drawing a rectangle" task

Anonymous #11506742 is making attempt 25 to complete the "Declarar variáveis" task

Anonymous #11503162 completed the "HashMap of Objects " task on attempt 1

Anonymous #11503162 is making attempt 1 to complete the "HashMap of Objects " task

Anonymous #11506742 is making attempt 24 to complete the "Declarar variáveis" task

Anonymous #11506742 is making attempt 23 to complete the "Declarar variáveis" task

Anonymous #11506742 is making attempt 22 to complete the "Declarar variáveis" task

Torben is making attempt 13 to complete the "Threads und Bytes" task

Anonymous #11506742 is making attempt 21 to complete the "Declarar variáveis" task

Amélie T started the lesson entitled "Enregistrement de données/Externalizable"

Igor Gorban is making attempt 1 to complete the "Maximum byte " task