How to Consolidate API-Documentation in a Microservices Environment,Consolidate multiple Swagger API documents in a single “source of truth” document to enable developers to util...

GraalVM - Polyglot Virtual Machine,It seems like the whole Java ecosystem is going to adopt GraalVM in these days. Every library, framework and even community speakers, developers ...

How to initialize ArrayList in Java?,The Java ArrayList can be initialized in number of ways depending on the requirement. In this tutorial, we will learn to initialize ArrayList b...

OneDev: An open source all-in-one devops platform,It features git repository management with code intelligence, customizable issue management with boards, docker first kubernetes n...

Send an HTTP GET Request using Java 11 HttpClient,In this tutorial, you will learn how to make an HTTP request in Java using the HttpClient class from Java 11. This class makes it ...

Fake the system clock for a single application with libfaketime, A bit of a back story My use case was quite specific - I wanted to conduct some end-to-end tests of a Java app runn...

Write and execute a JUnit test for a Java microservice based on MicroProfile and run both in the OpenLiberty development mode,That post has the focus on: how to develop a JUnit tes...

MicroProfile Fault Tolerance について,マイクロサービスでサービスを構築する際、耐障害性を考慮して実装する事がとても重要です。 リトライ・ポリシー、バルクヘッド、サーキットブレーカー...

JVM por debaixo dos panos #2 - VMproperties e introdução à Memória, JVM por debaixo dos panos #1 - O que é o Java? (2 Part Series) 1 JVM por debaixo dos panos #1 - O que é o ...

Plugin for Google Chrome that turns your browser into remote job board for developers,No one wants to register on dozens of sites to search for remote job, it's long and boring. Ju...

Java Nullpointerexception,This blog will be a quick look at the Java language and its Nullpointerexception. What is Java? Developed by James Gosling at Sun Microsystems (since been...

Publishing Application Metrics to Azure Monitor Using Spring Boot 2 and Micrometer, Introduction Observability is the activities that involve measuring, collecting, and analyzing v...