Java I About the Tutorial

24.
Java – Abstraction ................................................................................................................................. 320
Abstract Class .............................................................................................................................................. 320
Inheriting the Abstract Class........................................................................................................................ 323
Abstract Methods ........................................................................................................................................ 324

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Java 
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25.
Java – Encapsulation ............................................................................................................................. 326
Benefits of Encapsulation ............................................................................................................................ 328
26.
Java – Interfaces ................................................................................................................................... 329
Declaring Interfaces ..................................................................................................................................... 330
Implementing Interfaces ............................................................................................................................. 330
Extending Interfaces .................................................................................................................................... 332
Extending Multiple Interfaces ..................................................................................................................... 333
Tagging Interfaces ....................................................................................................................................... 333