Java Code Geeks Java Developers Resource Center

WebRTC (Web Real-Time Communication) is an open-source tool that allows real-time, peer-to-peer connections to be created by websites you visit. WebRTC allows for direct delivery of high definition video and audio between two devices, which would otherwise be impossible without the installation of third-party plugins. Web applications such as Google Hangouts, Facebook Messenger and Discord are all able to work ...

Introduction: In this article, we’ll learn how to remove nulls from a Java List using plain-old Java, Java 8 lambda expression, and some third-party libraries. So, let’s get started! Removing nulls from a List In Java: Let’s explore different ways in which we can remove nulls from a Java List: 1. Java 7 or lower versions: When working with Java 7 ...

Introduction: A LinkedList is a linear data-structure composed of nodes. In a singly linked list, each node contains data and a reference. Here, the reference-part refers to the next node in the linked list. In a doubly linked list, on the other hand, we have data and references to both previous and next nodes. Java provides a LinkedList implementation – java.util.LinkedList<T>, ...

So, you’ve decided to become a programmer. Great idea, but what should you do now? There is a huge difference between having an idea and implementing it. You will face hesitations, wrong ways of learning, bugs, loss of motivation, laziness, lack of time, and so on. I don’t think you can find an article that solves all these problems. However, ...

DynamoDB has been a bit of a buzzword recently, so after years working on relational and document databases I decided to give it a try. A lot of the assumptions I had made about DynamoDb before working with it turned out to be false, so I am hoping that this series of blog posts will help you decide if DynamoDB ...

JUnit 4 TemporaryFolder @Rule allowed developers to create tests utilising temporary directories. With JUnit 5, the @Rules are not supported hence testing files and directories required a little bit of additional work. Fortunately, with JUnit 5.4 there is a new built-in extension to handle temporary directories in tests. And it is extremely easy to use. Are you still working with ...

“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over and over? Try the Okta API for hosted authentication, authorization, and multi-factor auth. Building a microservices architecture is possible with minimal code if you use Spring Boot, Spring Cloud, and Spring Cloud Config. Package everything up in Docker containers and ...

10 Courses (83.5 Hours) to Become a Java Master: Design UIs with JavaFX, Utilize Design Patterns, Master Multithreading & More Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 94% off on Complete Java Programming Bootcamp. Get it now with only $39, instead of the original price of $ ...

With new-age project development methodologies like Agile and DevOps slowly replacing the old-age waterfall model, the demand for testing is increasing in the industry. Testers are now working together with the developers and automation testing is vastly replacing manual testing in many ways. If you are new to the domain of automation testing, the organization that just hired you, will ...