K1Lesson 30 of 49about 180 minutes
Module 1.4 · Object orientation
Records and value objects
What you learn in this lesson
- write a record and explain why two records with the same content are equal
- create a changed copy with with
- tell things with an identity of their own apart from plain values
- build a value object that only accepts valid values and can’t be tricked with with either
- give the Kladde the value objects EmailAddress and TimeRange and separate the file format from the model
This lesson belongs to course K1
You will see this lesson's text and video once you have bought the course. The goals above show what you learn here.
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