Programming 101: Input and output with Java: When you write a program, your application may need to read from and write to files stored on the user’s computer. This is common in situations when you want to load or store configuration options, you need to create log files, or your user wants to save work …
Build a printer UI for Raspberry Pi with XML and Java: Creating a GUI from scratch is a very time consuming process, dealing with all the positions and alignments in hard code can be really tough for some programmers. In this article, I demonstrate how to speed up this process using XML. read more: Opensource.com …
Learn Java with object orientation by building a classic Breakout game: As a second-semester student in systems and digital media at the Federal University of Ceará in Brazil, I was given the assignment to remake the classic Atari 2600 Breakout game from 1978. I am still in my infancy in learning software development, and this …
A cool Paternoster image: Image from page 42 of “A directory for the navigation of the Indian Archipelago, China, and Japan, from the straits of Malacca and Sunda, and the passages east of Java. To Canton, Shanghai, the Yellow Sea, and Japan, with descriptions of the winds, monsoo Image by Internet Archive Book Images Identifier: …
5 things we learned about Java in 2020: In 2020, Java marked its 25th anniversary and, despite its age, remains strong and active. Its seven to 10 million developers make it one of the top three languages in use today, according to the TIOBE Index. read more: Opensource.com brunoamuniz Supporting Open Source. Have you tried: …
Build your own text editor in Java: There are a lot of text editors available. There are those that run in the terminal, in a GUI, in a browser, and in a browser engine. Many are very good, and some are great. But sometimes, the most satisfying answer to any question is the one you …
Practice coding in Java by writing a game: My article about learning different programming languages lists five things you need to understand when starting a new language. An important part of learning a language, of course, is knowing what you intend to do with it. I’ve found that simple games are both fun to write …
Why Java developers love the jEdit text editor: Java is a powerful language. Maybe because it’s often seen as an “industrial-strength” tool, you might not expect it to be the foundation of a text editor. After all, text editing is almost too easy for such power. In fact, in most modern programming toolkits, the component …
Solve a real-world problem using Java: As I wrote in the first two articles in this series, I enjoy solving small problems by writing small programs in different languages, so I can compare the different ways they approach the solution. The example I’m using in this series is dividing bulk supplies into hampers of similar …
Combine GraphQL with Java to build a flexible and modern API: In the past few years, developers have used RESTful web services over HTTP(s) to expose business functions using an API. The REST API uses server-driven fixed data responses, which means a developer (client) can’t determine the result of a response. Instead, the server sends …
What makes Java open source?: If you’re using Java to write business applications, you may know that Java Standard Edition (SE) is not open source software. It is not managed by a foundation, like Python or JavaScript, and in January 2019, Oracle changed its policy to require a commercial license for any use of SE, …
5 open source IDE tools for Java: Java frameworks make life easier for programmers by streamlining their work. These frameworks were designed and developed to run any application on any server environment; that includes dynamic behaviors in terms of parsing annotations, scanning descriptors, loading configurations, and launching the actual services on a Java virtual machine …
An example of very lightweight RESTful web services in Java: Web services, in one form or another, have been around for more than two decades. For example, XML-RPC services appeared in the late 1990s, followed shortly by ones written in the SOAP offshoot. Services in the REST architectural style also made the scene about two …
How to install Java on Mac: In late May, Java celebrated its 25th anniversary, and to commemorate the occasion, developers around the world used the hashtag #MovedByJava to share their achievements, memories, and insights with the programming language. read more: Opensource.com Daniel Oh Supporting Open Source. Have you tried: Visiting Port Elizabeth?
Why I switched from Java to Rust: I recently started learning Rust after many years of Java development. The five points that keep coming to mind are: Rust feels familiar References make sense Ownership will make sense Cargo is helpful The compiler is amazing I absolutely stand by all of these, but I’ve got a …
Why I switched from Java to Kotlin: After years as an educator, I became a professional software developer. That brought me to Java, but recently, I began enjoying a totally different but compatible programming language called Kotlin. read more: Opensource.com StephB Supporting Open Source. Have you tried: Sailing in Africa ?
The Y2038 problem in the Linux kernel, 25 years of Java, and other industry news: As part of my role as a senior product marketing manager at an enterprise software company with an open source development model, I publish a regular update about open source community, market, and industry trends for product marketers, managers, and …
Data streaming and functional programming in Java: When Java SE 8 (aka core Java 8) was introduced in 2014, it introduced changes that fundamentally impact programming in it. The changes have two closely linked parts: the stream API and the functional programming constructs. This article uses code examples, from the basics through advanced features, to …