equals overriding for generic Pair

[undone walrus]

My course says that having a generic MyClass<T>, if we have two objects MyClass<A> and MyClass<B> there is no relationship between them regardless if A and B are related and that the common parent is Object.

What I'm trying to do is implement my own Pair<T, U> and I'm a bit confused on how to implement equals because until now I'd do something like

...
if(!(obj instanceof MyClass)) return false;
...

As far as I understood I can't do this for generics, right? because their common parent is object and if I tried casting to a Pair <T, U> I could get an error at run time.
What's the proper way to write an equals() for a generic with 1, 2 or multiple types? Should I check getClass() != obj.getClass() instead?

[leaden barn]

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[random lake]

Actually you can do that. Try and look at how official generic Java classes do it.
As generics don't exist at runtime, it's impossible to verify them for equals, so you'll just ignore that your class is generic in equals(). You'll use the equals() methods of items your class contains, on each other

It's admittedly limited to special cases and possible only because any object can call equals() with any other object, regardless of whether they are related

[undone walrus]

thanks

[leaden barn]

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