As for chaining super::super, as i mentionned in the question, i have still to find an interesting use to that. For now, i only see it as a hack, but it was worth mentioning, if only for the differences. In fact, multiple inheritance is the only case where super() is of any use.

If we're using a class method, we don't have an instance to call super with. Fortunately for us, super works even with a type as the second argument. --- the type can be passed directly to. I'm currently learning about class inheritance in my java course and i don't understand when to use the super() call? I found this example of code where super. variable is used:

I found this example of code where super. variable is used: