MVC Web Application with ActiveJ, Intro In this tutorial we will create an asynchronous servlet that adds contacts to a list, parses requests and processes form validation with the...

Expert Programmer’s Guide on How to Learn Java,Java is a popular programming language that is a choice of software developers around the world for building web, mobile, and deskto...

Learning by Playing: How to Learn Java With Coding Games and Quests?,These days, resources to learn Java are almost countless. Self-learning tutorials, books, online courses, offli...

Integration/Functional Testing with JUnit and Solace PubSub+,When developing event driven Java services for Solace PubSub+, at some stage you want to move from unit testing Java co...

A simple WebSocket between Java and React (with hooks), Async comunication: the phantom menace When you are working as a Software Engineer or developer, it's only a matter of time ...

What is Lambda Layers and how to use it with Java runtime?,When developing serverless functions, you often need additional dependencies or libraries for the function to work. For L...

How to hack unsecure web application,In this article I would like to demonstrate how easy it is to get confidential information from a web application that... well, doesn't pay too...

Data Structure and Algorithms: Linear Search, What is Searching? In Computer Science, searching is 'the process of finding an item with specified properties from a collection of it...

How to Add Audio and Video Files to PowerPoint Slides in Java,When slides are used for advertising campaign or product demonstration, people usually add media files (such as audio ...

Transient Modifier In Java,Data serialization library in Java could be varied. You can use Jackson, GSON, or anything else. Since there are too many serialization libraries out the...

GraalVM 20.3.0 LTS Released, Today we’re happy to announce the GraalVM 20.3.0 release. This is the final feature release of 2020 and if you’re running GraalVM 20.x we recommend t...

Add/ Delete PDF Page in Java,Sometimes when we receive a PDF document, we may only need some pages of the whole PDF document. Or we may need to insert a new page to add some new co...