How to design a duck with OOP principles

Question

Maxeem · Accepted Answer

maybe as interface and its implementation
interface Bird {
    color: Color
    weight: Int
    age: Int
    sex: Sex
    ...
    fun fly();
}
interface Flying {
    fun fly();
}
class Duck: Bird, Flying {
    color: Color.Orange;
...
    fun fly() { ... }
}

The answer is very abstract of course =)

Orange

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