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What is Abstract Class and Interface Basics about?

The document discusses the differences between constructors and methods in abstract classes and interfaces in Java. It provides examples to show that: 1) Abstract classes can have constructors while interfaces cannot have constructors since interfaces only allow abstract methods. 2) The "extends" keyword is used to extend a class, while the "implements" keyword is used to implement interfaces, allowing a class to inherit from one class and implement multiple interfaces. 3) Variables can be declared as p

Author

naresh maddu

Language

EN