Java Resources

A practical example of how to build real-world applications in Java and create a simple but useful front-end with basic HTML.

Updated May 12, 2021

by Pavel Ponec

· 10,153 Views · 1 Like

Use Shared Packages From an Azure DevOps Feed in a Maven Project

We run through a tutorial on on how to create Azure DevOps Artifacts, connect our Artifacts to a Maven feed, and build and push the changes to our Artifacts.

May 11, 2021

by Sreekumar C

· 19,136 Views · 2 Likes

Introduction to Spring Boot and JDBCTemplate: Refactoring to SpringData JPA

Introduction to Spring Boot and JDBCTemplate: Refactoring to SpringData JPA.

May 7, 2021

by Otavio Santana

CORE

· 7,324 Views · 2 Likes

Exception Handling in Java: Contingencies vs. Faults

When and how to use checked and unchecked exceptions

Updated May 6, 2021

by Eric Deandrea

· 10,176 Views · 11 Likes

Spring Cloud Stream Channel Interceptor

A Channel Interceptor is used to capture a message before being sent or received in order to view or modify it. Learn how a channel interceptor works and how to use it.

May 5, 2021

by Mohammed ZAHID

· 15,314 Views · 4 Likes

Is Java Really Faster Than Go?

Learning about performance differences between microservices written in Java and Go will help you plan the language you choose when building your own services.

May 5, 2021

by Kai Hendry

· 21,494 Views · 23 Likes

How To Propagate Context Information Throw Spring Batch

Introduction to a framework that performs the propagation of Spring Security, Sleuth, MDC, and Locale (Internationalization) contexts inside Spring Batch items.

Updated May 4, 2021

by Mohammed ZAHID

· 12,839 Views · 2 Likes

Spring Cloud Config Server on Kubernetes (Part 1)

Let's get your services up and running.

May 2, 2021

by Brian Hannaway

· 9,352 Views · 5 Likes

How to Generate and Compare Perceptual Image Hashes in Java

Learn how to generate a hash value for an image and compare two perceptual image hashes using an API in Java.

April 30, 2021

by Brian O'Neill

CORE

· 8,145 Views · 1 Like

Batch Processing Large Data Sets with Spring Boot and Spring Batch

This article contains a quick video with a great tutorial for batch processing large data sets with Spring Boot and Spring batch.

April 29, 2021

by Ram N

· 8,141 Views · 3 Likes

Kubernetes for Java Developers

There is a new class of tools for dockerizing and deploying an application to Kubernetes which are aimed at developers. The latest in that category is JKube from RedHat.

April 29, 2021

by Taruvai Subramaniam

· 11,890 Views · 8 Likes

Java Microbenchmark Harness (JMH)

A quick hands-on lesson to learn about Java Microbenchmark Harness (JMH). The article helps you get started and configure JMH project.

April 28, 2021

by Gaurav Gaur

CORE

· 9,544 Views · 5 Likes

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

· 8,805 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

· 8,853 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

· 19,782 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

· 77,513 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

· 18,364 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

· 51,810 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

· 4,552 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

· 8,875 Views · 12 Likes

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