Notice the detail that interface methods are implicitly abstract. This means we don’t need to explicitly declare them as abstract. When default methods were introduced in Java 8, some developers ...

We can create constructors inside the abstract method, but not in interface. Java interface can have public methods by default while abstract class can have any of public, private, and protected ...

How do you ensure compatibility and consistency when overriding abstract methods in interfaces? Interfaces are a powerful feature of Java that allow you to define common behaviors for different ...

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 ...

And the terms and conditions in case of Java interface is to override all the methods of interface. Just like Abstract Classes, Interfaces can't be instantiated but they can have still have Object ...

Also known as the Java 8 Predicate -- which stems from the JDK version where functional programming was introduced to developers -- this simple interface defines five methods, although only the Java ...

Interface can extend many interface. Interface can extend from a interface only. Interface have only abstract method by default. Interface can have public method only it it. Abstract can attend only ...