The Question : 362 people think this question is useful How can I make a class or method abstract in Python? I tried redefining __new__() like so: but now if I create a class G that inherits from F like so: then I can’t instantiate G either, since it calls its super class’s __new__ method.
The Question : 568 people think this question is useful What is the difference between abstract class and interface in Python? The Question Comments : The Answer 1 630 people think this answer is useful What you’ll see sometimes is the following: Because Python doesn’t have (and doesn’t need) a formal Interface contract, the Java-style
The Question : 336 people think this question is useful Please explain when I should use a PHP interface and when I should use an abstract class? How I can change my abstract class in to an interface? The Question Comments : The Answer 1 469 people think this answer is useful Use an interface
The Question : 606 people think this question is useful The question is in Java why can’t I define an abstract static method? for example The Question Comments : Few reasons: static method must have a body even if they are part of abstract class because one doesn’t need to create instance of a class
The Question : 638 people think this question is useful Can an abstract class have a constructor? If so, how can it be used and for what purposes? The Question Comments : The Answer 1 671 people think this answer is useful Yes, an abstract class can have a constructor. Consider this: The superclass Product