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- super () in Java - Stack Overflow
super() is a special use of the super keyword where you call a parameterless parent constructor In general, the super keyword can be used to call overridden methods, access hidden fields or invoke a superclass's constructor
- How does Pythons super () work with multiple inheritance?
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
- Understanding Python super() with __init__() methods
super() lets you avoid referring to the base class explicitly, which can be nice But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen
- java - When do I use super ()? - Stack Overflow
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 {
- What is a difference between lt;? super E gt; and lt;? extends E gt;?
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 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 it's compatible) The drainTo method
- How do I call a parent classs method from a child class in Python?
When creating a simple object hierarchy in Python, I'd like to be able to invoke methods of the parent class from a derived class In Perl and Java, there is a keyword for this (super) In Perl, I
- How is super() in Python 3 implemented? - Stack Overflow
Python 3 super makes an implicit reference to a "magic" __class__ [*] name which behaves as a cell variable in the namespace of each class method
- How do I initialize the base (super) class? - Stack Overflow
wrong super only works with new-style classes, and is the only proper way to call a base when using new-style classes Furthermore, you also need to pass 'self' explicitly using the old-style construct
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