Java Resources

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

· 16,590 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

· 7,176 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

· 7,792 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

· 19,520 Views · 23 Likes

Realistic Test Data Generation for Java Apps

Might as well make it real.

Updated October 10, 2021

by Alejandro Duarte

CORE

· 22,204 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

· 10,160 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

· 10,900 Views · 4 Likes

Spring Cloud Sleuth Makes Distributed Tracing Simple

Have a service mesh? No problem.

October 9, 2021

by Andrew Hughes

· 9,220 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

· 29,595 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

· 121,417 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

· 6,480 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

· 5,018 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

· 8,042 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

· 12,166 Views · 1 Like

Testing MariaDB ColumnStore Performance

Let's make sure everything is up to snuff.

September 29, 2021

by Alejandro Duarte

CORE

· 20,914 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

· 68,990 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

· 12,956 Views · 3 Likes