In general, the super keyword can be used to call overridden methods, access hidden fields or invoke a superclass's constructor. The best tall guy website featuring thousands of photos As for chaining super::super, as i mentionned in the question, i have still to find an interesting use to that
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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).
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. 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 I wrote the following code When i try to run it as at the end of the file i get this stacktrace 'super' object has no attribute do_something class parent
How do i call the parent function from a derived class using c++
For example, i have a class called parent, and a class called child which is derived from parent Within each class there is a print 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
If you add any other column/attribute to a primary key then it become a super key, like employeeid + fullname is a super key If a table don't have any individual columns that qualifies for a candidate key, then you have to select 2 or more columns to make a row unique. Can't be called from main method It's the start of another week, and we need some guys naked and hard to kick things off the right way
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