Exercise 2.11

You can recognise an constructor by look to the name. It has the same identifier with its class, and it does’nt have return type.

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Exercise 2.7

When i change the outer wrapper to class public TicketMachine the class diagram become red mesh. After i try to […]

Nearly every computer science student learn database and Object Oriented Programming in his first or 2 year of study. I […]

The fields are The constructor head is The method heads are

The outer part wrappers of Student would like look something like this And the outer wrapper of LabClass would look […]