Abstract classes and interfaces in Java serve fundamentally different purposes ... with only one abstract method cannot use lambdas. Table 1 summarizes the differences between abstract classes ...

To create abstract classes we use the 'abstract' keyword whereas keyword 'interface' is used to make the interfaces in Java. For inheritance the 'extends' keyword is used by the subclasses whereas ...

it inherits the properties and methods of the abstract class, making it easier to implement common functionality in multiple classes. How do I implement an interface in Java? In Java, an interface is ...

1) don't create object for interface & abstract . but we can use ananymous class. 2) interface only declare method. but abstract class both define(nomarl method) and ...