Archives for Java

Java

Generating Microsoft Excel XLSX files in Java

It’s always interesting to be able to generate Microsoft Excel XLSX files in an application to propose reports to users for example. In that tutorial, you are going to learn how to generate Microsoft Excel files in a Java application. For that, we are going to use the great Apache POI API available just there :  Note that you can watch…
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Java

Create your own Blockchain in 30 minutes

The Blockchain is a technological revolution at the heart of the success of Bitcoin and other crypto currencies. For some, the Blockchain is a revolution comparable to what the Internet was in its day. In this article, we propose you to create your own Blockchain in 30 minutes by using the Java programming language. It will allow you to better…
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Java

Parse and write JSON data in Java with Gson

Nowadays, JSON is the most widespread format to exchange data on the Web. REST Web Services use it. JSON is lighter than XML and lets to save bandwith when you consume this services. In Java, there is a great library named Gson that makes developers' life easier. Created by Google, Gson is open source and available on GitHub here : …
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Articles

The Ultimate Guide to Java 9

After some months of delays, Java 9 is coming ! Java 9 is attended for general availability On September, 2017. In that article, you’re going to discover the major new features of Java 9. Don’t hesitate to leave me some comments if I forgot some important things. Main Features Java Platform Module System – JSR 376 Process API Updates – JEP…
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Java

Create your first JavaFX 8 Application with Eclipse

Directly integrated in the JDK of Java 8, JavaFX is the new recommended way to create and deliver desktop applications and rich internet applications (RIA) in Java. JavaFX must replace Swing as the standard GUI library for Java SE. However, both technologies will continue to be integrated in the JDK. You can have a preview of the JavaFX Architecture in…
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Java

Calculate shortest paths in Java by implementing Dijkstra’s Algorithm

Conceived by Edsger W. Dijsktra in 1956 and published three years later, Dijkstra’s algorithm is a one of the most known algorithms for finding the shortest paths between nodes in a graph. This algorithm is applied in a lot of domains. For example, once you have represented road networks in a graph, it becomes easy to calculate shortest paths inside…
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Java

Learn to make a MVC application with Swing and Java 8

The Model-View-Controller is a well known software architectural pattern ideal to implement user interfaces on computers by dividing an application intro three interconnected parts. Main goal of Model-View-Controller, also known as MVC, is to separate internal representations of an application from the ways information are presented to the user. Initially, MVC was designed for desktop GUI applications but it’s quickly…
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Java

Implement the Adapter Design Pattern in Java

In software engineering, a design pattern is a general reusable solution to a commonly occurring problem with a given context in software design. In that new serie of articles, you're going to discover how to implement some of the most known design patterns in Java. To start the serie, you're going to study the Adapter Design Pattern. The Adapter Design…
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