JavaScript to BigData

A programming blog on Emerging Tech

Jstobigdata is a Community for Programmers

The jstobigdata brings you advanced guided tutorials and articles on emerging technologies. It presentss you great tutorials with code examples. Unlike many other popular blogs, Jstobigdata focuses on practical oriented tutorials with depth knowledge. This blog is for programmers as well as technology enthusiasts. The content on this site can be broadly categoriesed as Tutorials and Blog articles.

Browse the popular Tutorials

Docker Tutorial

The #1 container, designed to make it easier to create, deploy and run applications in it.

Docker Tutorial
Maven tutorial

Apache Maven Tutorial

An advanced JPA tutorial with hibernate 5.x. JPA stands for Java Persistence API. Learn in the right way with a lot of code examples.

Apache Maven
JPA with hibernate

JPA with Hibernate

An advanced JPA tutorial with hibernate 5.x. JPA stands for Java Persistence API. Learn in the right way with a lot of code examples.

JPA with Hibernate


Node.js is the most successful open-source, cross-platform JavaScript runtime built on Chrome’s V8 js engine. Mostly used for server-side and desktop application programming.



Python is easy to learn, high-level, dynamic typing, interpreted programming Language. It is popular due to its applications in Machine Learning, Web and System Programming etc.



Java is a platform independent, most matured, Object Oriented, computer programming language. Popular for server-side web programming.



Progressive js framework for building user interfaces. Vue is also perfectly capable to powering sophisticated Single-page app by combining with right tools and libraries.



Most popular platform to build web, mobile or desktop applications. Angular combines with templates, dependency injection, testing tools, component-based architecture.



A framework for ambitious web developers. An MVVM framework to create scalable and complex web apps.



The only source code version-control system you need to know. Git is a free and open source distributed version control system, capable enough to handle very large projects with speed and efficiency.


Agile Methodology

Modern ways of developing software, outlined in the Agile Manifesto in 12 important principles. Popular agile methodologies are Scrum, Kanban, XP, Less, Nexus and many more.

Agile Methodology


CSS – cascading style sheets are used to control the web browsers ability to manipulate fonts, colors, shapes, and even animations. CSS is a fundamental skill for the modern web developer.


Top Blog Articles

Complete RabbitMQ Tutorial in Java

Complete RabbitMQ Tutorial in Java with Spring Boot example This is a RabbitMQ Course in Java with asynchronous messaging examples using rabbitmq-java-client, Spring Boot and Spring AMQP. This is a programming course, it focuses more on the asynchronous programming than the admin UI. I have tried to keep the tutorial up-to-date with the latest Java trends. Code Examples [...]

By |March 28th, 2020|Categories: Java™, RabbitMQ|Tags: , |

Advanced JPA Tutorial with Hibernate

This is an advanced JPA tutorial with hibernate 5.x. JPA stands for Java Persistence API. It is the official java specification to work with an ORM tool. Learn JPA 2.2 with Hibernate 5.x in the right way and with a lot of code examples. Prerequisites Programming knowledge in Java.Basic knowledge of JDBC programming.JDK 8 installed on your system.Apache Maven 3.3 [...]

By |August 27th, 2019|Categories: Hibernate, JPA|Tags: , , , |

Advanced Docker Tutorial

Advanced Docker tutorial is a complete docker tutorial with examples. This is a Zero to Hero series, to make you up and running with docker. I have created this tutorial to give you an in-depth understanding of docker and docker-compose. Docker provides a consistent way to develop, package, ship and run an application on almost any platform. You will learn [...]

By |August 26th, 2019|Categories: Docker|Tags: , , |

Advanced Maven Tutorial

Maven Tutorial - A complete tutorial with code examples. This tutorial is an advanced maven tutorial meant to make you a Hero in Apache maven. Apache Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project’s build, reporting, and documentation from a central piece of information. [...]

By |August 25th, 2019|Categories: Maven|Tags: , , , |

Classpath Scanning using @ComponentScan and Filters

Introduction: A Classpath scanning basically means, detecting the classes that need to be managed by the Spring under a specified package. You need to make use of the spring @ComponentScan annotation with the @Configuration for classpath scanning. This annotation allows you to specify a base package and also a filter if needed to fine control the package scanning. We will [...]

By |April 4th, 2020|Categories: Spring Framework|Tags: |

Managed beans using @Component, @Repository, @Service

Introduction: In this tutorial, you will learn the different Spring stereotype annotations (@Component, @Repository and @Service) to declare any class as a Spring-managed Bean. Spring MVC also has several other annotations like @Controller and @RestController. The classes that are managed as beans in Spring are known as Managed Components. There are basically few stereotype annotations in spring that declare classes [...]

By |April 3rd, 2020|Categories: Java™, Spring Framework|Tags: |

A high-level introduction to Spring Framework

What is the Spring Framework? The age-old answer to this question is, "Spring is a Dependency Injection Framework". In reality, it is much more than that. Spring is the most popular Java Enterprise application development framework, it comes with many tools and libraries to solve almost any problem in the java world. May it be microservices or a simple database-driven [...]

By |January 4th, 2020|Categories: Java™, Spring Framework|Tags: , |

Top Youtube Channels for every Java Developer

Everyone today wants to stay up to date in this ultra speed world, especially when it comes to programming knowledge. There were times when a Java developer could survive without much updating themself for years, but those days are gone. Today technology is evolving very fast, we need to sharpen our programming skills to stay relevant with the latest and [...]

By |April 1st, 2020|Categories: Java™|Tags: |

RabbitMQ with Spring AMQP and Spring Boot

In this tutorial, we will explore the use of Spring AMQP to communicate with the RabbitMQ messaging middleware. All the previous article code examples are based on the RabbitMQ-Java-Client library. Spring AMQP also makes use of the same library, however, it provides a practical oriented approach to communicate with RabbitMQ. If you are already familiar with Spring stack, then you [...]

By |March 31st, 2020|Categories: RabbitMQ, Spring Framework|Tags: , |

Exchange to Exchange binding in RabbitMQ

It is possible to bind an Exchange to another Exchange just like Exchanges to Queues bindings. An exchange can be bound with another exchange with the source routing rules. The destination exchange finally routes the messages to the Queues bound to it. We will take 2 Exchanges as an example, home-direct-exchange as source and linked-direct-exchange as the destination exchange. The [...]

By |March 26th, 2020|Categories: RabbitMQ|Tags: |

Alternate Exchange to collect the rejected messages in RabbitMQ

You will learn to collect rejected messages in RabbitMQ. There can be several reasons to do that, for example, to track down the spammers in an Open CRM system. We will learn this with an example of a Topic Exchange, please check the previous article on Topic Exchange if you are new to RabbitMQ. What is Alternate Exchange? There will [...]

By |March 27th, 2020|Categories: RabbitMQ|Tags: |

Default Exchange in AMQP – RabbitMQ

Default Exchange in RabbitMQ is not a special type of Exchange in RabbitMQ like Direct Exchange or Topic Exchange. It is a special Direct Exchange with an empty name. In the Elements of AMQP article, you have sent a message directly to a Queue using the empty Exchange name. This is where Default Exchange comes to play. The below image [...]

By |March 25th, 2020|Categories: RabbitMQ|Tags: |

Headers Exchange in AMQP – RabbitMQ

Headers Exchange Type is the most powerful exchange type in AMQP (RabbitMQ). Headers exchanges route a message based on the message headers matching, they ignore routing keys. The diagram here represents 3 Queues (HealthQ, SportsQ, and EducationQ) are bound to the Headers Exchange (my-headers-exchange) with JSON like headers. We will discuss each of these headers below in detail. The flow [...]

By |March 25th, 2020|Categories: RabbitMQ|Tags: , |

Object Pool Design Pattern in Java with a real-world example

Object pool design pattern in Java works on the reusability concept of the object creation. This pattern is most efficient when it is expensive to create objects and can cause memory issues if multiple objects are created. It helps to improve the performance of the application. Object pool design pattern works on the concept of object pooling. In other words, [...]

By |March 18th, 2020|Categories: Java™|Tags: |

Topic Exchange in AMQP – RabbitMQ

This article focuses on the Topic Exchange type (amq.topic) in RabbitMQ. You will learn to bind a Queue with a Topic Exchange using a routing key pattern. You have already learned about Exchanges and Queues in the Elements of RabbitMQ. The diagram here explains a producer sends a message to my-topic-exchange , there are 3 Queues bound to this exchange [...]

By |March 23rd, 2020|Categories: RabbitMQ|Tags: , |

Keep Learning with us… Happy Coding!