What is difference between class and interface?
What is difference between class and interface?
Comparison Chart The methods of a class are defined to perform a specific action. The methods in an interface are purely abstract. A class can implement any number of interface and can extend only one class. An interface can extend multiple interfaces but can not implement any interface.
Where do we use interface and abstract class?
But if you use interface you can implements as many as you want. Interface is by default an abstract class an all methods and constructors are public. Abstract classes can contain methods that are not abstract, whereas in interfaces all your methods are abstract and have to be implemented.
What are the differences between abstract class and interface in Python?
An interface can be implemented using keyword "implements". 8) A Java abstract class can have class members like private, protected, etc. Members of a Java interface are public by default. Simply, abstract class achieves partial abstraction (0 to 100%) whereas interface achieves fully abstraction (100%).