JAXB Unmarshaller tries to instantiate abstract class ignoring xsi:type if nillable="true" · Issue #890 · javaee/jaxb-v2 · GitHub
![Java Tutorial # 18 | Abstract classes and Methods in Java -Java Beginners tutorial by Java9s - YouTube Java Tutorial # 18 | Abstract classes and Methods in Java -Java Beginners tutorial by Java9s - YouTube](https://i.ytimg.com/vi/1XZKscUaRbQ/maxresdefault.jpg)
Java Tutorial # 18 | Abstract classes and Methods in Java -Java Beginners tutorial by Java9s - YouTube
![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_2.jpg)