In the publish-subscribe messaging system, each message has multiple consumers. Topics are based on a publish subscribe messaging model where each message is broadcast to multiple subscribers who are listening to the topic. Key feature of Publish Subscribe messaging model When to use publisher subscribe messaging model The publish-subscribe messaging model should be used when… Read More »
In a point to point messaging model, each message has one producer and one consumer. Queues are based on a point-to-point messaging model where messages are sent to queues and each message has only one producer and one consumer. In queue, messages are guaranteed to be delivered to only one consumer. In the point-to-point messaging… Read More »
What is JMS Service? (Java Messaging Service) The JMS, or Java Message Service API, is a messaging standard that allows us to send and receive messages between two or more clients (applications). Why JMS? We can send and receive messages using RESTful APIs, then why do we need JMS? Java Message Service offers distinct advantages… Read More »
What is Dependency? When a class or object depends on another class or object for its functioning, it is called dependency. For example, Say we have two classes: company and employee, and the company class needs employees to work. We can say that company class depends on the employee. What is Circular Dependency? When we… Read More »
Kafka producers are those that publish the message to the Kafka topics, and Kafka consumers consume those messages by subscribing to the Kafka topics. To learn more, please refer Apache Kafka Architecture. In this tutorial, we will learn to create a producer-consumer model using the Kafka console. In this tutorial, we will learn about Kafka… Read More »
On May 5, 2020, the auto-incrementing ID column in a shared database table on Github grew larger than what the MySQL integer type could handle. The github-blog page has all of the incident’s information. We will simulate the situation in which we force the value of our auto-increment ID column in the MySQL database to… Read More »
What is Session Management? Session management in Spring Boot refers to the process of managing user sessions in a web application. Sessions are used to maintain stateful information about the user’s interaction with the application across multiple requests. What is the purpose of Session Management? Following are the benefits of session management: How to do… Read More »
In Java, annotation is a form of metadata that provides information about the programs but it is not the part of the program itself. The annotations are used by compilers, development tools or runtime libraries for different purposes. We can write annotations with the help of the @ symbol followed by the annotation name. In… Read More »
Spring Tool Suite (STS) is an integrated development environment (IDE) designed to facilitate the development of enterprise Java applications using the Spring framework. STS provides tools and features that streamline the development process, making it easier for developers to create, debug, and deploy Spring-based applications. In this tutorial, we will learn how we can add… Read More »
In Spring Boot, Job scheduler (Spring Boot Scheduler) is a feature that provides the facilities to automate the executions of tasks at specified interval. It is very useful in terms of running background jobs, periodic maintenance activity or any activity that needs to be performed. Spring Boot supports various scheduling strategies which allows us to… Read More »