A developer goes through a quick tutorial on how to invoke and work with REST APIs and their clients while coding up Java-based microservice applications. Read all
Let's take a closer look at inversion of control and dependency injections in Java and how these basic functionalities impact the way you build applications. Read all
In this tutorial, we take a closer look at how to implement the password encoder migration with Spring Security 5, introducing the DelegatingPasswordEncoder. Read all
The only thing better than a free app is one that is free and open-source. Check out this list of the top 13 free and open source Android apps written in Java. Read all
Thanks to Spring Security, we can limit the number of concurrent user sessions without writing a single piece of code. Check out this post to learn more. Read all
To ensure that no two threads can access the same resource and that the resource is operated in a predictable sequence, programmers use a method known as locks. Read all
Let's take a look at the latest release in the JDK 12 early access builds, the Javadoc tag @systemProperty, for documenting system properties. Read all
This article looks at some of the highlights from Oracle's CodeOne Java keynote outline, providing summaries on Project Panama, Valhalla, Amber, and Loom. Read all
In this post, we are introduced to building reactive web applications using Postgres, R2DBC, Spring Data JDBC, and Spring WebFlux through sample code. Read all
This post explores recent changes to the release cycle of the JDK, highlighting the latest Java 11 release, as well as its commercial and open-source versions. Read all
In this tutorial, we demonstrate how to secure a Spring REST API using OAuth2 and the PostgreSQL database by configuring an authorization and resource server. Read all
