Overview Programming languages are in demand for cloud, mobile, analytics, and web development, as well as security. Online ...

Back in the 1980s, your options for writing your own code and games were rather more limited than today. This also mostly depended on what home computer you could get your hands on, which was a ...

Java Essentials Volume 2 provides structured pathway from Java fundamentals to advanced application development ...

Vladimir Zakharov explains how DataFrames serve as a vital tool for data-oriented programming in the Java ecosystem. By ...

While the basic course is free and great for getting started, they also have a ‘Pro’ version if you want to dig deeper. It’s a solid choice if you’re totally new to programming and want a smooth, ...

This is a simple currency converter application for demonstrating Java Swing, the application was created in IntelliJ UI Designer. Although not required for the course this code makes uses of a ...

To understand why the United States is struggling to buy and field the weapons of the future, consider the trouble it had buying the most basic weapon of the past. In 2011, the Army decided to get its ...

Celebrate Advent with C21's "Keep It Simple: The Practice of Advent Joy" Timeout! This virtual retreat was led by author, speaker, founder of Mothering Spirit, and friend of C21, Laura Kelly Fanucci.

Oracle has released GraalVM for JDK 25, introducing new features for its native image technology, while confirming that future development of the platform will shift away from the Java release cycle ...

In 1876, Peter Guthrie Tait set out to measure what he called the “beknottedness” of knots. The Scottish mathematician, whose research laid the foundation for modern knot theory, was trying to find a ...

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107, and—wait for it—47,176,870. Can you guess what comes next? If ...