Java Resources

Jakarta EE & Wildfly Running on Kubernetes

Learn how to create a custom Wildfly instance that runs a Jakarta EE appplications through Kubernetes.

September 24, 2020

by Ralph Soika

· 4,903 Views · 2 Likes

How to Use Java Modules to Build a Spring Boot Application

Learn about how to use the newly introduced Java Platform Module System in Java 9 to create a Spring Boot application.

September 23, 2020

by Bruno Leite

· 20,370 Views · 3 Likes

Using Log Analysis with Command Line Tools to Explore Linux Log

Take a look at this guide to using log analysis with command line tools to dig into a Linux log.

September 23, 2020

by Vickie Li

· 7,742 Views · 3 Likes

Write Your First AWS Lambda in Java

Learn how to create your first Lambda handler in Java using AWS SDK

September 21, 2020

by Rajan Panchal

· 6,999 Views · 3 Likes

5 Simple Binary Encoding Gotchas

Spending hours in frustration debugging SBE issues in your application? This post covers up to 80% of common usage issues related to simple binary encoding.

September 21, 2020

by Tommy Q

· 7,184 Views · 3 Likes

The Complete Guide to Stream API and Collectors in Java 8

What is the map/filter/reduce go to them about? Let’s take an example. We are going to make a list of Person instances.

Updated September 21, 2020

by Suresh Sekar

· 8,559 Views · 4 Likes

Build Fault Tolerant Applications With Cassandra API for Azure Cosmos DB

Use Retry Policies to handle rate-limiting errors in your Go apps.

September 18, 2020

by Abhishek Gupta

CORE

· 6,164 Views · 5 Likes

Introduction to MapStruct: An Easy and Fast Mapping at Compile Time

MapStruct: easy mappings between Java beans

September 16, 2020

by Otavio Santana

CORE

· 19,906 Views · 3 Likes

How to Obtain Auto-Generated Keys With Hibernate

How to obtain auto-generated keys in a Hibernate - Spring Boot application.

September 16, 2020

by Anghel Leonard

CORE

· 14,626 Views · 4 Likes

How to Convert XLSX to PDF in Java

Using a Cloudmersive API, learn how to convert Excel files to PDF in Java

September 16, 2020

by Brian O'Neill

CORE

· 11,183 Views · 3 Likes

Modern Cloud-Native Jakarta EE Frameworks: Tips, Challenges, and Trends.

Changes brought by cloud-native architecture impact applications in ways that weren't critical before.

Updated September 16, 2020

by Otavio Santana

CORE

· 3,993 Views · 2 Likes

Analyzing Relationships in Game of Thrones With NetworkX, Gephi, and Nebula Graph (Part Two)

In this post, we will show you how to access data in Nebula Graph by using NetworkX.

September 11, 2020

by Jamie Liu

CORE

· 7,640 Views · 3 Likes

Replacing Unique_ptr With C++17's std::variant — a Practical Experiment

In this article, take a look at how to replace unique_ptr with C++17's std::variant.

September 10, 2020

by Bartłomiej Filipek

· 15,021 Views · 4 Likes

Create an API Gateway with Load Balancer Using Java

Nowadays every application is moving to microservice architecture. In this architecture, API Gateway has an important role. Let's build a simple API gateway using Java.

Updated September 10, 2020

by Vishnu Viswambharan

· 28,166 Views · 10 Likes

Using Kotlin, Spring Boot, and Vue.js to Make a CRUD App

Learn to build a Vue.js client application and a Spring Boot REST service, using them to demonstrate a CRUD application with Okta for authentication.

September 10, 2020

by Andrew Hughes

· 6,626 Views · 5 Likes

A New Way to Test Your Multithreaded Code With JUnit

Currently, when we test multi-thread Java we call the class under test by as many threads possible. This approach has the disadvantage that most of the time our faulty test succeeds which makes debugging multi-threaded bugs a nightmare. I, therefore, developed an open-source tool, vmlens, to make JUnit test of multi-threaded Java deterministic.

Updated September 9, 2020

by Thomas Krieger

· 70,498 Views · 15 Likes