In general, the super keyword can be used to call overridden methods, access hidden fields or invoke a superclass's constructor. If you add any other column/attribute to a primary key then it become a super key, like employeeid + fullname is a super key The one with super has greater flexibility
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The call chain for the methods can be intercepted and functionality injected.
In fact, multiple inheritance is the only case where super() is of any use
I would not recommend using it with classes using linear inheritance, where it's just useless overhead. 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 with java (where you can't chain super). 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 Super e>) says that it's some type which is an ancestor (superclass) of e Extends e>) says that it's some type which is a subclass of e (in both cases e itself is okay.) so the constructor uses the
Extends e form so it guarantees that when it fetches values from the collection, they will all be e or some subclass (i.e
How to add super privileges to mysql database Asked 13 years, 2 months ago modified 1 year, 3 months ago viewed 409k times How to call super constructor in lombok asked 10 years, 6 months ago modified 1 year, 4 months ago viewed 343k times Now i want to test the childrunner() method of childclass and since this method internally calls the super class method, i need some help/piece of code on how to mock the run() method which is present in superclass.
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