Java Resources

If you’re not using fluent assertions and rely on basic JUnit assertions, you might be missing out on a simple but effective tool to write high-quality test code.

October 16, 2021

by Johannes Döbler

· 5,559 Views · 5 Likes

Multithreading Java and Interviews Part 2: Mutex, the Java Monitor Model

In the second installment of Multithreading and Interviews, read an introduction to the basics of Java Multithreading with Mutex, the Java Monitor Model.

Updated October 14, 2021

by Dmitry Egorov

CORE

· 26,335 Views · 24 Likes

Microservices: Quarkus vs Spring Boot

In the era of containers (the ''Docker Age'') Java is still on top, but which is better? Spring Boot or Quarkus?

Updated October 13, 2021

by Ualter Junior

CORE

· 145,565 Views · 42 Likes

gRPC Compression Support in Go, Java, and Ballerina

Different programming languages have different ways to enable/disable gRPC compression. This article describes how to use gRPC in Go, Java, and Ballerina.

October 13, 2021

by Buddhi Kothalawala

· 15,567 Views · 4 Likes

Deploying a Kotlin App to Heroku

In this post, we'll take a quick look at how to develop an app in Kotlin. We'll build a simple API with a PostgreSQL database and deploy it to Heroku to see it live.

October 13, 2021

by Michael Bogan

CORE

· 6,444 Views · 3 Likes

Improving Backend Performance Part 1/3: Lazy Loading in Vaadin Apps

In this article, I'll show you how easy it is to take advantage of Spring Boot data to easily implement lazy loading in Vaadin Flow applications.

October 12, 2021

by Alejandro Duarte

CORE

· 6,533 Views · 7 Likes

How Java Optional Evolved Over Time

If you are interested in when particular feature was introduced to Optional API. Here you will find description of its evolution form Java 8 to present times.

Updated October 11, 2021

by Bartłomiej Żyliński

CORE

· 18,649 Views · 22 Likes

Realistic Test Data Generation for Java Apps

Might as well make it real.

Updated October 10, 2021

by Alejandro Duarte

CORE

· 20,639 Views · 6 Likes

Faster Maven Builds in Docker

We've looked at faster Maven builds. Now let's get containers involved.

October 10, 2021

by Nicolas Fränkel

CORE

· 9,376 Views · 3 Likes

Stateful Microservices With Apache Ignite

This article explains how to implement stateful microservices architecture for Spring Boot applications with distributed database Apache Ignite.

October 10, 2021

by Alexander Kozhenkov

· 9,927 Views · 4 Likes

Spring Cloud Sleuth Makes Distributed Tracing Simple

Have a service mesh? No problem.

October 9, 2021

by Andrew Hughes

· 8,030 Views · 1 Like

Introduction To Pragmatic Functional Java

Pragmatic Functional Java is a modern, very concise yet readable Java coding style based on Functional Programming concepts.

October 6, 2021

by Sergiy Yevtushenko

· 28,378 Views · 32 Likes

What’s New Between Java 11 and Java 17?

Learn the differences between Java 11 and Java 17 with this post. Get an overview of the licensing model and examples of the latest Java 17 features.

October 4, 2021

by Gunter Rotsaert

CORE

· 114,250 Views · 37 Likes

Test Automation: Maven Profiles and Parallelization in Azure Pipelines Using IaaS

When it comes to test automation, configuring parallel threads can become challenging. This article helps those who are looking to automate their QA and DevOps needs.

October 4, 2021

by Aniket Wadkar

· 5,338 Views · 1 Like

How to Mock a Web Server in Your Java Applications

To test an application that consumes a web API, you have two options: start a container or mock a web server. Today we'll discuss the latter using the WireMock simulator.

October 4, 2021

by Helber Belmiro

CORE

· 4,607 Views · 2 Likes

Spring Boot MapStruct Example of Mapping JPA and Hibernate Entity to DTO | Spring Boot Tutorial

In this video tutorial, take a closer look at Spring Boot MapStruct Example of Mapping JPA and Hibernate Entity to DTO.

October 1, 2021

by Ram N

· 7,435 Views · 3 Likes

Coding and Testing Linux Applications on Windows Using WSL and VS Code

In this article, read about the experience of using Windows Subsystem for Linux along with Visual Studio Code for some basic coding and testing in C++ and Java.

October 1, 2021

by Umer Nalla

· 10,564 Views · 1 Like

Testing MariaDB ColumnStore Performance

Let's make sure everything is up to snuff.

September 29, 2021

by Alejandro Duarte

CORE

· 20,397 Views · 5 Likes

Spring Boot + Swagger 3 (OpenAPI 3) + Security Example(Basic Authentication)

As a continuation in this Spring Boot tutorial series, learn in this post about implementing Spring Boot Basic Security for the Spring Boot Swagger example.

September 29, 2021

by Rida Shaikh

· 64,829 Views · 7 Likes

Pattern Matching for Switch in Java (JDK 17)

We discuss how JEP 406: Pattern Matching for switch (Preview) enables the Java language to clearly express more, and we provide use cases for several patterns.

Updated September 29, 2021

by Loïc Rouchon

· 11,798 Views · 3 Likes

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