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Can we have a class inherited from more than one interface?
A class can implement more than one interface, which can contain default methods that have the same name. As with multiple inheritance of implementation, a class can inherit different implementations of a method defined (as default or static) in the interfaces that it extends.
Can a Java class inherit from multiple classes?
A class can inherit another class and define additional members. We can now say that the ArmoredCar class is a subclass of Car, and the latter is a superclass of ArmoredCar. Classes in Java support single inheritance; the ArmoredCar class can’t extend multiple classes.
When does multiple inheritance by interface occur in Java?
An interface contains variables and methods like a class but the methods in an interface are abstract by default unlike a class. Multiple inheritance by interface occurs if a class implements multiple interfaces or also if an interface itself extends multiple interfaces.
How does multiple inheritance work in C #?
C# | Multiple inheritance using interfaces. In Multiple inheritance, one class can have more than one superclass and inherit features from all its parent classes. As shown in the below diagram, class C inherits the features of class A and B. But C# does not support multiple class inheritance.
How does a Java class inherit from another Java class?
The Java approach to multiple inheritance is to use interfaces. A class in Java can inherit from exactly one class (if you do not specify the base class, it’s java.lang.Object ). The only way to inherit from three classes is if they inherit from each other in a chain:
What to do when a class inherits a gfg1 interface?
When a GeeksforGeeks class inherits GFG1 and GFG2 interfaces you need not to redefine languages () and courses () method just simply create the objects of Geeks1 and Geeks2 class and access the languages () and courses () method using these objects in GeeksforGeeks class.