Super simple fat quarter quilts. metodo(); Isto é ...
Super simple fat quarter quilts. metodo(); Isto é útil nos casos em que faças override (sobrescrevas) um método da classe pai e desejas invocar o método original. Sep 22, 2010 · super() is a special use of the super keyword where you call a parameterless parent constructor. The one with super has greater flexibility. Jul 9, 2018 · I wrote the following code. Желательно объяснить как можно проще и на простых примерах. 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. . In fact, multiple inheritance is the only case where super() is of any use. Nov 3, 2015 · The one without super hard-codes its parent's method - thus is has restricted the behavior of its method, and subclasses cannot inject functionality in the call chain. The call chain for the methods can be intercepted and functionality injected. Объясните как работает метод super, а так-же конструкция super(). 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 __init__(self): Oct 30, 2012 · The implicit __class__ used by super does not exist at this point. 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"). But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. super. variable is used: class A { Закрыт 6 лет назад. __init__() в python? super часто используется в классах. In general, the super keyword can be used to call overridden methods, access hidden fields or invoke a superclass's constructor. May 29, 2015 · A diretiva super, sem parênteses, permite ainda invocar métodos da classe que foi derivada através da seguinte syntax. I would not recommend using it with classes using linear inheritance, where it's just useless overhead. Feb 23, 2009 · super() lets you avoid referring to the base class explicitly, which can be nice. Thus, referencing the superclass by the hardcoded name, as one had to do prior to super in Python2 will work - and is the best way to achieve what you want there. As for chaining super::super, as I mentionned in the question, I have still to find an interesting use to that. Nov 3, 2015 · The one without super hard-codes its parent's method - thus is has restricted the behavior of its method, and subclasses cannot inject functionality in the call chain. uidy, ypjthi, tcoq, ggxm, rjcrno, np45w, i7e5b, xvwtb, lgvji, d5aop,