Java Resources

Explore a detailed article on implementing Role-Based Access Control (RBAC) in Quarkus. It reviews both built-in and custom methods to ensure secure REST API access.

April 27, 2023

by Aashreya Shankar

· 12,043 Views · 7 Likes

Java Concurrency: Condition

In this article, learn how to make threads wait on specific conditions by using the Condition interface.

April 27, 2023

by Emmanouil Gkatziouras

CORE

· 9,489 Views · 15 Likes

Fun Statistics About JDK 20

The Java Development Kit contains many files. Last month JDK 20 was released. Let's take a deep dive into what files the JDK contains.

April 26, 2023

by Anthony Goubard

· 4,487 Views · 1 Like

Does the OCP Exam Still Make Sense?

Oracle's tough OCP 17 exam is about much more than Java knowledge. It's a sobering reminder of how dependent we have become on our favorite (AI) tools.

April 26, 2023

by Jasper Sprengers

· 9,849 Views · 11 Likes

Building a RESTful API With Java Spring Boot

Build powerful RESTful APIs using Java Spring Boot. Use our quick and easy tutorial for retrieving credit scores and setting up a basic REST API using Postman.

April 25, 2023

by Dylan Frankcom

· 5,229 Views · 1 Like

A Critical Detail About Kafka Partitioners

Understanding the role of a partitioner in the Kafka producer is important to understand to build effective Kafka applications.

April 25, 2023

by Bill Bejeck

· 4,556 Views · 2 Likes

How To Install CMAK, Apache Kafka, Java 18, and Java 19 [Video Tutorials]

This article has video tutorials on installing CMAK, Apache, Kafka, Java 18, Java 19, and JDK on Windows, Amazon EC2, and Linux.

April 25, 2023

by Ram N

· 10,460 Views · 2 Likes

How To Place Text and Shapes on an Image in Java

This article provides two API solutions that can be used to programmatically add text and shapes to an image with ready-to-run Java code examples.

April 24, 2023

by Brian O'Neill

CORE

· 5,321 Views · 2 Likes

Java Synchronized Block

In my earlier post, we learned about the Java synchronized method. In this post, let’s learn about the synchronized block.

April 24, 2023

by Ram Lakshmanan

CORE

· 4,061 Views · 1 Like

Generics in Java and Their Implementation

In Java programming language, generics are introduced in J2SE 5 for dealing with type-safe objects.

April 24, 2023

by Bikash Jain

· 12,647 Views · 10 Likes

Okta + SAML + JBoss EAP 6.4.x + Picketlink

How to provide Okta authentication to your web app by using Okta + SAML + JBOSS EAP 6.4.x + Picketlink and JAVA as a backend.

April 21, 2023

by Ramiro Guerrero

· 5,305 Views · 2 Likes

Consumer Group in Kafka [Video Tutorials]: Partitions and Consumers

In this video tutorial series, take a deeper look at the consumer group in Kafka with varying numbers of partitions and consumers.

April 21, 2023

by Ram N

· 6,086 Views · 2 Likes

AWS: Pushing Jakarta EE Full Platform Applications to the Cloud

In this article, readers will learn how to deploy more complex Jakarta EE applications as serverless services with AWS Fargate.

April 20, 2023

by Nicolas Duminil

CORE

· 8,282 Views · 5 Likes

Continuing Hello World

The way we teach programming and new platforms needs to be more engaging. This same lesson applies to SaaS startup gamification.

April 20, 2023

by Shai Almog

CORE

· 7,014 Views · 2 Likes

Apache Kafka in Java [Video Tutorials]: Architecture and Simple Consumer/Producer

Explore a video tutorial series regarding Apache Kafka in Java as you explore Kafka architecture, components, producer callbacks, and more.

April 19, 2023

by Ram N

· 5,858 Views · 2 Likes

The Power of ShardingSphere With Spring Boot

Learn how to use Apache ShardingSphere with Spring Boot to enable sharding, read-write splitting, and data masking.

April 18, 2023

by Ion Pascari

· 13,328 Views · 11 Likes

Guide to Creating and Containerizing Native Images

In this article, we will learn how to turn Java applications into native images and then containerize them for further deployment in the cloud.

April 18, 2023

by Dmitry Chuyko

· 8,610 Views · 1 Like

How To Create and Edit PDF Annotations in Java

In this article you'll learn how to leverage four APIs that can be used to programmatically create, retrieve, and/or remove annotations in a PDF document.

April 17, 2023

by Brian O'Neill

CORE

· 6,496 Views · 4 Likes