Java Resources

A/B Testing Was a Handful Until We Found the Replacement for Druid

The recipe for successful A/B testing is quick computation, no duplication, and no data loss. For that, we used Apache Flink and Apache Doris to build our data platform.

June 14, 2023

by Haris Dou

· 3,120 Views · 1 Like

Spring Cloud: How to Implement Service Discovery (Part 1)

In this article, readers will learn how to configure and run some service discovery sample architectures by using the Spring Cloud components.

June 13, 2023

by Mario Casari

· 6,841 Views · 1 Like

Everything Bad in Java Is Good for You

Nulls and checked exceptions are often promoted as "bad things" in Java, this isn't the case. Both carry significant advantage over the alternatives.

June 13, 2023

by Shai Almog

CORE

· 9,108 Views · 17 Likes

Harnessing the Power of NiFi: Building a Seamless Flow To Ingest PM2.5 Data From a MiNiFi Java Agent With a Particle Sensor

In this tutorial, discover how to use MiNiFi, NiFi, Kafka, and Flink for sensor ingest, processing, analytics, and visualization.

June 13, 2023

by Tim Spann

CORE

· 5,606 Views · 4 Likes

(Spring) Booting Java To Accept Digital Payments With USDC

Now focusing my career on Fintech, I decided it was time to understand how to introduce web3 into an existing Java-based RESTful API.

June 12, 2023

by John Vester

CORE

· 54,940 Views · 7 Likes

Superior Stream Processing: Apache Flink's Impact on Data Lakehouse Architecture

Apache Flink's unique streaming and fault tolerance features make it a strong choice for efficient data lakehouse implementation.

June 8, 2023

by Andrey Gusarov

· 8,481 Views · 4 Likes

How to Supplement SharePoint Site Drive Security With Java Code Examples

This article advocates for expanding upon built-in SharePoint Online Site Drive security by integrating an external security API solution.

June 7, 2023

by Brian O'Neill

CORE

· 6,049 Views · 2 Likes

Microservices With Apache Camel and Quarkus (Part 3)

In Parts 1 and 2, you've seen how to run microservices as Quarkus local processes. Let's now look at some K8s-based deployments, starting with Minikube.

June 7, 2023

by Nicolas Duminil

CORE

· 8,660 Views · 2 Likes

Deploying Smart Contract on Ethereum Blockchain

In this article, the reader will learn how to deploy an Ethereum smart contract and connect it with their Spring application.

June 7, 2023

by Alexander Makeev

· 6,053 Views · 8 Likes

Manifold vs. Lombok: Enhancing Java With Property Support

Two decades ago, we worked on properties in Java. Lombok filled in that gap. Manifold aims to solve this same problem. Is it ready for prime time?

June 7, 2023

by Shai Almog

CORE

· 4,196 Views · 4 Likes

Part 3 of My OCP Journey: Practical Tips and Examples

Like learning a foreign language, you have to write original code if you want to master Java deeply. Make your examples fun, and life-like. They'll stick with you.

June 5, 2023

by Jasper Sprengers

· 5,057 Views · 4 Likes

Integrate Cucumber in Playwright With Java

Integrating Cucumber with Playwright combines natural language scenarios with browser automation, boosting project performance.

June 5, 2023

by Kailash Pathak

CORE

· 12,151 Views · 4 Likes

Microservices With Apache Camel and Quarkus (Part 2)

Take a look at a scenario to deploy and run locally the simplified money transfer application presented in part 1 as Quarkus standalone services.

June 3, 2023

by Nicolas Duminil

CORE

· 10,221 Views · 2 Likes

Structured Logging

This post introduces Structured Logging and the rationale behind its use. Some simple examples are provided to reinforce understanding.

June 2, 2023

by Karthik Viswanathan

· 12,420 Views · 7 Likes

How To Approach Java, Databases, and SQL [Video]

Learn how to save thumbnail data to a database to render our pictures to a nice HTML gallery page and finish the proof of concept for our Google Photos clone.

June 2, 2023

by Marco Behler

CORE

· 6,843 Views · 6 Likes

Effective Java Collection Framework: Best Practices and Tips

In this blog, we learn effectively use the Java Collection Framework, consider factors like utilizing the enhanced for loop, generics, and avoiding raw types.

June 1, 2023

by Shailendra Bramhvanshi

· 13,150 Views · 10 Likes

Microservices With Apache Camel and Quarkus

This post proposes a microservices deployment model based on Camel, using a Java development stack, Quarkus as a runtime, and K8s as a cloud-native platform.

May 31, 2023

by Nicolas Duminil

CORE

· 13,289 Views · 8 Likes

Database Integration Tests With Spring Boot and Testcontainers

In this tutorial, we'll show you how to use Testcontainers for integration testing with Spring Data JPA and a PostgreSQL database.

May 31, 2023

by Andrei Rogalenko

· 9,115 Views · 4 Likes

Operator Overloading in Java

Write expressions like (myBigDecimalMap[ObjectKey] * 5 > 20) in Java... Manifold makes that happen. Expressions like "5 mph * 3 hr" produces distance!

May 31, 2023

by Shai Almog

CORE

· 4,740 Views · 4 Likes

Reactive Programming

In this article, the reader will learn about how to take advance of Reactive Programming with Java and Spring Framework.

May 31, 2023

by Elyes B

· 4,752 Views · 2 Likes

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