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 In this tutorial, you will learn to use @ConfigurationProperties to map properties files to POJO classes in Spring Boot application. Let’s ...

 T he key features of Angular 8 are as follows: Differential Loading to create two different production bundles of your app. New Dynamic Laz...

What is Functional interface in Java 8 Well, a functional interface is nothing but an interface with just one abstract method e.g. Compa...

By using Comparable we can sort the objects based on any data member. For example, lets say we have an Author class has data members: Autho...

Because that would contravene their whole purpose. Abstract classes , by design, are not complete or functional. They are meant to serve ...

Abstract class in Java is similar to interface except that it can contain default method implementation. An abstract class can have an abst...

An immutable class is one whose state can not be changed once created. There are certain guidelines to create a class immutable in Java. ...

An immutable object is an object which state is guaranteed to stay identical over its entire lifetime. This is really a good definition. Is...

Marker interface in Java is interfaces with no field or methods or in simple word empty interface in java is called marker interface. Exa...

1) Can abstract class have constructors in Java? Yes, abstract class can declare and define constructor in Java. Since you can not creat...