Explore etcd, an open-source distributed key-value store. Understand its fundamental concepts, features, and use cases with examples.
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Kong Ingress Controller with Spring Boot
Explore the use of the Kong Ingress Controller to manage access to a Spring Boot application deployed on a K8s cluster.
Coupling in Java
Explore coupling in Java.
Spark DataFrame
Spark’s DataFrame component is an essential part of its API. It represents data in a table like way so we can perform operations on it. We look at the Java Dataset type, which is used to interact with DataFrames and we see how to read data from a JSON file and write it to a database.
How to Get Docker-Compose to Always Use the Latest Image
In this tutorial, we’ll check out several options to ensure that docker-compose always uses the latest images of the applications.
Getting Started With Apache Derby
A quick guide to the Apache Derby open-source relational database engine, this article discusses all the major aspects from installing and configuring it to working with its various tools. It also shows how we can connect to it programmatically using plain JDBC and in a Spring Boot application.
JPA Support – State of the Tools Ecosystem in 2021
An overview of the JPA plugins available for IntelliJ and Eclipse
Observability in Distributed Systems
A comprehensive dive into observability in distributed systems.
Structural Patterns in Core Java
Learn how some core libraries in Java have adopted the seven core structural design patterns
Refer to Environment Variables in pom.xml
Learn how to reference environment variables in a pom.xml file
Keycloak Embedded in a Spring Boot Application
Learn how to set up a pre-configured embedded Keycloak server that can be booted up within a Spring Boot application.
DDD Bounded Contexts and Java Modules
Learn how to leverage Java 9 Modules while defining explicit boundaries for bounded contexts while creating a simple store application
Digital Signatures in Java
Java provides support for digital signature via the JCA APIs. See how to digitally sign and verify messages with public/private key cryptography.
Design Strategies for Decoupling Java Modules
Learn design strategies for decoupling Java modules.
Multi-Module Maven Application with Java Modules
Learn to create a multi-module Maven application using the Java Platform Module System (JPMS).
Introduction to Flowable
A quick and practical overview of Flowable with Spring Boot.
The Dependency Inversion Principle in Java
Learn the fundamentals of the Dependency Inversion Principle through examples written in Java 8 and in the Java 11 module system.
Introduction to Tensorflow for Java
A quick and practical overview of Tensorflow for Java
Building a Web Application with Spring Boot and Angular
Have a look into building a web application with a Spring REST back-end and Angular front-end.
Creating a SOAP Web Service with Spring
Learn how to create a SOAP-based web service using Spring Boot