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Author Archives: Ed de Jongh

Ed has worked in the IT industry for over 20 years, gaining experience in programming, architecture and design. As a seasoned Solution Architect, he is passionate about advancing simplicity and elegance. In addition to solution design, he is also involved in development and integration. Outside of the office, enjoys anything on two wheels and being a dad.

How Java Servlet Works

1. Introduction In this article, we are going to look at a java servlet tutorial. “As opposed to what another language?” I hear you say and rightly so. Yes, servlets are a Java construct, but when compared with other languages they can easily be compared to those languages’ web component implementations. For the purposes of this article though, we will ...

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Java sort ArrayList Example

1. Introduction In this article we are going to look at the ArrayList class in Java. It is part of the java.util package. First though, in order to better understand the ArrayList class, we need to understand what an array is and how the two classes differ. 2. What is an Array? Techterms.com offers a succinct definition of an array, ...

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Java Thread Example

1. Introduction Every Java program has at least one thread, the main thread. This is spun up by the Java Virtual Machine (JVM) when you run your code. Java is multithreaded which means it can utilize multiple threads concurrently. Thankfully, Java makes it easy to work with threads and multithreading. However, as developers or programmers, we need to take threading ...

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JWT Tutorial for Beginners

1. Introduction JSON Web Tokens are described by the Internet Engineering Task Force (IETF)   RFC 7519 as: a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is used as the payload of a JSON Web Signature (JWS) structure or as the plaintext of a ...

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Apache Camel Sample Application Example

1. Introduction What is Apache Camel? Even the Apache Camel site does not seem to have a succinct example of this. They do point to a Stack Overflow article which provides some insight. To me though Camel is all about mediation, enrichment and transformation.   It is a well defined API to implement common Enterprise Integration Patterns (EIP). The idea ...

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