Spring Boot RabbitMQ producer example
In this post, we will integrate Spring Boot with RabbitMQ and produce a message on the queue. Hence the blog heading says Spring Boot RabbitMQ producer example. What is rabbit MQ? Rabbit-MQ is an open-source …
@Qualifier annotation in Spring
In this article, we will learn what is @Qualifier annotation in spring with the help of examples. Definition Qualifier the term means the one WHO QUALIFIES. Qualifier annotation is used to know which java bean …
What is Method Reference in Java 8?
In this article, we will understand what is a method reference in java 8 with proper examples. Method reference means referring to an existing definition instead of duplicating the same definition again. Method references are …
Specification design pattern
The word specification means a rule. Specification design pattern in java is used to check if an object meets a particular specification ( rule ). An object can meet more than one specification. If we …
What is a JWT ( Json web token ) ?
JWT token is a piece of information which is use to authorize a user . User has to attach this JWT token in each http request , so that the server understands the user is …
Convert Decimal to Binary and Vice-Versa
In this article, we will learn how to convert from decimal to binary number format and from binary to decimal format. Decimal Number: The digits from 0 to 9 are called decimal numbers. It is …
Base64 Encoding
Base64 encoding is a conversion technique to convert binary data to ASCII symbols. It is not an encryption technique, it is much about the management of data that is flowing through any network channel. We …
Abstract class
The abstract class helps to achieve an Object-oriented concept of abstraction. Abstraction means showing the high-level details and hiding the low-level details. Day to day life examples : a ) When we are using a …
Interface in java
What is an interface Interface in java is functionality to achieve an object-oriented concept of abstraction. Abstraction means showing the high-level details and hiding the low-level details. Day-to-day life examples a ) When we are …
How the SSL works in 5 steps
What is SSL? A Secure Socket Layer ( SSL ) is a bridge that helps Web-Browser or Web-Client to securely communicate with the Web-Server. It means the third person will not be able to understand …