Feb 23, 2009 · Super simply guarantees we call the correct next class's method in the method resolution order, whereas the other way hard-codes the next method to be called, which …

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 …

I'm currently learning about class inheritance in my Java course and I don't understand when to use the super() call? Edit: I found this example of code where super.variable is used: class A { ...

Sep 2, 2009 · The first (<? super E>) says that it's "some type which is an ancestor (superclass) of E"; the second (<? extends E>) says that it's "some type which is a subclass of E". (In both …

Apr 20, 2015 · how to Call super constructor in Lombok Asked 10 years, 5 months ago Modified 1 year, 3 months ago Viewed 342k times

Nov 13, 2024 · 4. Super Key: If you add any other column/attribute to a Primary Key then it become a super key, like EmployeeID + FullName is a Super Key. 5. Composite Key: If a table …

What is the difference between List<? super T> and List<? extends T> ? I used to use List<? extends T>, but it does not allow me to add elements to it list.add (e), whereas the Li...

Jul 9, 2018 · I wrote the following code. When I try to run it as at the end of the file I get this stacktrace: AttributeError: 'super' object has no attribute do_something class Parent: def …

Oct 29, 2013 · super in Generics is the opposite of extends. Instead of saying the comparable's generic type has to be a subclass of T, it is saying it has to be a superclass of T. The …