In the article An introduction to GraphQL, I gave you a brief introduction to how to build a GraphQL server using Spring Boot. In essence, Spring Boot already uses the GraphQL Java library and wraps everything behind the scenes related to processing a GraphQL query… Read More
In this tutorial, I will show you how to install Google Cloud CLI to work with the Google Cloud Platform! First, you can download the Google Cloud CLI at https://cloud.google.com/sdk/docs/install. Depending on the operating system you are using, please download the installation file accordingly! I… Read More
In this tutorial, I will show you how to start an HTTP server using a very popular NodeJS module, the http module. First, I will create a new NodeJS project as an example: In the above steps to create a NodeJS project, there is a… Read More
When working with Maven projects using IDEs such as Eclipse or IntelliJ, you will find that there are many files or folders created, for each individual IDE. In essence, the Maven project does not use these files, so we need to ignore them when pushing… Read More
When working with RESTful APIs, for a data object, we often have to expose many different request URLs. For example, if you are working with a student information management application, to provide student information through RESTful APIs, we may have to expose some of the… Read More
In the previous tutorial, I showed you how to relay Websocket connection in Spring Websocket using RabbitMQ. You can also use ActiveMQ to do this. How is it in detail? We will find out together in this tutorial! First, you need to start an ActiveMQ… Read More
Apache ActiveMQ does not have an official Docker Image, so you can use a Docker Image at https://hub.docker.com/r/symptoma/activemq. This Docker Image has been updated to the latest version of Apache ActiveMQ! The contents of our docker-compose.yaml file for installing ActiveMQ with Docker Compose will look… Read More
I introduced you to MuleSoft, a low code platform that helps us implement Enterprise Service Bus applications with multiple Enterprise Integration Patterns easily. The problem is that MuleSoft is not free although it also has a community version so we need less expensive solutions. One of… Read More
In Java, the concept of immutable refers to classes whose objects do not change information after they are instantiated. Normally, to declare an immutable class, we would: Declare this class as final so that no class can extend from it. Declare the fields of that… Read More
In the tutorial JDBC transaction management in Spring, I showed you how to configure transaction management using an XML file. We can also use Java code to do this with the @EnableTransactionManagement annotation. How is it in detail? We will find out together in this… Read More
