Mapa mental
Abstract Class
Conteúdo do mapa
Abstract Class
Class could be abstract even if its superclass is concrete
Abstract Methods
- could exist only inside of abstract classes
- nonstatic
Constructors
- must be declared as protected
- used only by subclasses
- it is impossible to create instances of an abstract class
- must be declared as protected
Subclasses
- must implement all abstract methods declared in the abstract class
- otherwise it becomes an abstract class
- Extends <Abstract class>
- must implement all abstract methods declared in the abstract class
Can be used as data type
Could exist without any abstract method
Informações
- Descrição
- Java lang (Abstract Classes & Interfaces) Mapa Mental sobre Abstract Class, criado por Alex Keat em 13-01-2018.
- Criado por
- Alex Keat
- Visualizações
- 0
- Avaliação