Java Resources

The Bag Data Structure From Eclipse Collections

Bags are data structures that permit holding duplicates in any order. This is similar to a physical bag, where you could also put any elements and take them out randomly.

July 16, 2021

by Yuri Mednikov

· 7,426 Views · 2 Likes

Understanding Java Records From Java 16

A look into what you can and cannot do in Java record classes from Java 16 release, including implementations, applications, and extensions.

July 16, 2021

by Amrut Prabhu

· 50,446 Views · 5 Likes

How to Configure SSL/TLS for a HTTP Client or a Server

We discuss how to easily configure an SSL/TLS connection in Java to secure your application better. This setup can also easily be used for Scala and Kotlin.

Updated July 16, 2021

by Hakan Altındağ

· 66,175 Views · 19 Likes

Comprehensive Guide to Java String Formatting

Formatting Strings in Java can seem overwhelming, but it's simpler than it looks. In this article, we cover the basics and provide easy-to-reference tables.

July 15, 2021

by Justin Albano

CORE

· 56,183 Views · 69 Likes

Hands-On Presto Tutorial: Presto 101

This tutorial will guide you on installing and configuring Presto locally.

July 13, 2021

by Praburam Upendran

· 16,227 Views · 6 Likes

Best Practices of Using JPA (Hibernate) With Kotlin

Defining JPA entities in Kotlin comes with some caveats. Let’s look at how to avoid the common pitfalls and make the most of using Kotlin.

Updated July 12, 2021

by Andrey Oganesyan

· 15,622 Views · 11 Likes

Java String Format Examples

Always forgetting the Java String formatting specifiers? Or maybe you never took the time to learn. Here's a reference of the various flags you can use.

Updated July 11, 2021

by Jay Sridhar

· 3,658,824 Views · 145 Likes

3 Ways to Install CockroachDB — Binary, Docker, or Kubernetes

In this article, see three ways to install CockroachDB on your machine, including binary, Docker, and Kubernetes.

July 9, 2021

by Daniel Holt

· 10,864 Views · 5 Likes

Working With Multi-Level JSON in CockroachDB

This tutorial demonstrates the ability in CockroachDB to work with nested JSON.

July 8, 2021

by Artem Ervits

CORE

· 9,602 Views · 4 Likes

Spring Beans With Auto-Generated Implementations: How-To

This tutorial will guide you through the process of building a sample framework that implements the automatic creation of Spring beans from Java interfaces.

July 8, 2021

by Pavel Grigorev

· 18,386 Views · 3 Likes

Monitoring Velero Backup and Restore With BotKube

How to monitor Velero backup and restore with BotKube by sending notifications and alerts on Slack, Discord, Mattermost, or Teams.

July 8, 2021

by Aashi Modi

· 10,551 Views · 1 Like

Microservices With JHipster

In this article, we will be looking at the microservices stack that JHipster, a code generation tool, generates and supports.

July 7, 2021

by Kiran Kumar

· 12,885 Views · 13 Likes

Bind a Cloud Event to Knative

CloudEvents provides a common format to describe events and increase interoperability.

July 6, 2021

by Daniel Oh

CORE

· 9,954 Views · 2 Likes

Evolution of the Quarkus Developer Experience

Showcasing the maturity and evolution of critical developer productivity capabilities within Quarkus.

July 2, 2021

by Eric Deandrea

· 10,789 Views · 8 Likes

How to Transform Any Type of Java Bean With BULL

BULL stands for Bean Utils Light Library, a transformer that recursively copies data from one object to another.

Updated June 29, 2021

by Fabio Borriello

· 39,655 Views · 22 Likes

Java Object Size: Estimating, Measuring, and Verifying via Profiling

How to calculate Java Objects, Arrays, Primitives, and Complex Classes. Checking calculated size correctness using JProfiler.

June 29, 2021

by Dmitry Egorov

CORE

· 63,075 Views · 13 Likes

Top Automation Programming Languages of 2021

When looking for an automation programming language, you have plenty of options — look no further than this list for the perfect language for your use case.

June 29, 2021

by Dinakar Rayapudi

· 40,113 Views · 5 Likes