Modern applications might need to support millions of users, but OS threading limits present a problem. Here's how Java 21 virtual threads solve it.

New frameworks are gaining traction among developers “Ruby, PHP, Python, and similar platforms have definitely taken a big chunk out of the Java brain trust,” said Hansson.

The first Java project task is to choose a framework. Here's how to select which one is right for your needs: Spring, Jakarta EE, Quarkus or another option.

With the Embabel agent framework, written in Kotlin, Rod Johnson aims not only to catch up with Python agent frameworks, but to leapfrog them.