Java Resources

Lightweight Parallel Tasks in Java Microservices

BascomTask lightweight in-process task orchestration helps reign in the complexities involved with processing data from multiple sources.

April 26, 2021

by Brendan McCarthy

· 7,967 Views · 6 Likes

How to Check Text Inputs for SQL Injection Attacks in Java

Learn how to detect SQL injection attacks from text input(s) using an API in Java.

April 25, 2021

by Brian O'Neill

CORE

· 7,914 Views · 3 Likes

An Overview Between Java 8 and Java 11

This tutorial covers the basics of Java 8 and Java 11; it is a start to prepare you for the next LTS: Java 17.

April 25, 2021

by Otavio Santana

CORE

· 19,102 Views · 25 Likes

Java 8: ConcurrentHashMap Atomic Updates

Here's a great look at what Java 8 brought to ConcurrentHashMaps, including close looks at the methods at your disposal and their performance impacts.

Updated April 23, 2021

by Tony Tapper

· 72,815 Views · 16 Likes

Spring Boot Microservices + Apache Camel: A Hello World Example

A tutorial on to use Spring Boot in tandem with Apache Camel to unlock the power of routes in your mircoservice-based applications.

April 23, 2021

by Nazia Shaikh

· 16,166 Views · 4 Likes

How to Create a Java Library: From Scratch to Maven Central

If you usually need to rewrite or copy similar code between different projects, it may be time to stop replicating it and create a library.

April 22, 2021

by Helber Belmiro

CORE

· 47,438 Views · 5 Likes

How to Validate a VAT Number in Java

Determine if a VAT Identification Number is valid by using an API in Java. If valid, business contact information will be retrieved as well.

April 21, 2021

by Brian O'Neill

CORE

· 3,884 Views · 1 Like

Beginner's Guide to Compilation in Java

Java applications are complied to bytecode then JIT and JVM takes care of code execution. Here you will find some insights about how JIT compiler works.

April 21, 2021

by Bartłomiej Żyliński

CORE

· 8,038 Views · 11 Likes

Spring Data JPA + QueryDSL: Taking the Best From Both Worlds

An example of combining the two most powerful frameworks for building a maintainable and type-safe persistence layer; from Spring Data JPA we will take only CRUD operations and for all complex queries we will use QueryDSL.

Updated April 18, 2021

by Dmytro Stepanyshchenko

· 27,845 Views · 5 Likes

Running Selenium Tests in Jenkins

Wondering how to integrate Jenkins with Selenium WebDriver? This guide will help you run Selenium tests in Jenkins. Learn more.

April 16, 2021

by Shalini Baskaran

· 25,710 Views · 4 Likes

How to Call SOAP Services Using REST

SOAP, being a mature technology, has an extensive and often differently interpreted standard set. This article discusses how to call SOAP services using REST.

April 16, 2021

by Anthony Morris

· 23,202 Views · 5 Likes

How to Delay Database Connection Acquisition in Hibernate (Spring Data)

In the case of resource-local (a single data source), Hibernate will acquire the database connection of a JDBC transaction right after the transaction starts.

April 16, 2021

by Anghel Leonard

CORE

· 14,600 Views · 5 Likes

Resize a Video in Java

Learn how to resize a video with the optional preservation of the aspect ratio using APIs in Java.

April 16, 2021

by Brian O'Neill

CORE

· 4,408 Views · 1 Like

Survival Guide for the Java Architect in the Cloud Era

April 15, 2021

by Otavio Santana

CORE

· 7,645 Views · 6 Likes

Build Even Faster Quarkus Applications With fast-jar

Quarkus is already fast, but what if you could make inner loop development with the supersonic, subatomic Java framework even faster? Introducing the fast-jar format!

April 15, 2021

by Daniel Oh

CORE

· 7,282 Views · 4 Likes

7 Practical Secure Coding Practices

Software Security is important more than ever. This article provides multiple live secure coding examples one has to apply while developing modern-day software.

April 14, 2021

by Awkash Agrawal

· 10,836 Views · 9 Likes

Guidelines for Java Code Reviews

Get a jump-start on your next code review session with this list.

April 14, 2021

by Meenakshi Dhanani

· 8,314 Views · 9 Likes

The Magic of Apache Spark in Java

An experience software architect runs through the concepts behind Apache Spark and gives a tutorial on how to use Spark to better analyze your data sets.

April 13, 2021

by Reza Ganji

CORE

· 39,591 Views · 21 Likes