![1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download 1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download](https://images.slideplayer.com/23/6888289/slides/slide_2.jpg)
1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download
![1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download 1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download](https://slideplayer.com/6888289/23/images/slide_1.jpg)
1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download
![1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download 1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download](https://images.slideplayer.com/23/6888289/slides/slide_4.jpg)
1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download
![Top 14 Interview questions On Abstraction principle to ace your next Object-Oriented Programming Interview | by Varsha Das | Javarevisited | Medium Top 14 Interview questions On Abstraction principle to ace your next Object-Oriented Programming Interview | by Varsha Das | Javarevisited | Medium](https://miro.medium.com/v2/resize:fit:1400/1*r7L8HFEtu-mtsG0-pIMvAA.png)
Top 14 Interview questions On Abstraction principle to ace your next Object-Oriented Programming Interview | by Varsha Das | Javarevisited | Medium
![1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download 1 Abstract Class There are some situations in which it is useful to define base classes that are never instantiated. Such classes are called abstract classes. - ppt download](https://images.slideplayer.com/23/6888289/slides/slide_3.jpg)