Java developers absolutely must learn Maven. Maven is the most popular and pervasive build tool in the Java world. Even if you don't use Maven directly, alternatives such as Gradle, Jenkins or Ivy ...

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Your PC contains a number of caches, a collection of frequently-accessed data files, usually temporary, to help speed up future requests. Basically, it improves ...

In an effort to work faster, our devices store data from things we access often so they don’t have to work as hard to load that information. This data is stored in the cache. Instead of loading every ...

If your MacBook Air feels sluggish, you're not alone. Over time, software clutter, outdated apps, and unnecessary background processes can slow down even the newest models. While hardware upgrades ...

The iPhone is renowned for its blazing speed, but as fast as an iPhone and iOS 26 may be, there are still situations where your device may begin to act sluggish or feel like it's underperforming.

My title is Senior Features Writer, which is a license to write about absolutely anything if I can connect it to technology (I can). I’ve been at PCMag since 2011 and have covered the surveillance ...

Most full stack apps rely on a database. That means every time a user clicks, scrolls, or loads a page — your app makes a database query. But here’s the problem: Databases are slow compared to ...

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It’s easy to look strictly at the type of CPU and GPU you have when evaluating the kind of performance you’re likely to get in PC games. But beyond that lies another important stat, the CPU cache.