The most important thing to know is that the is a superset of the JRE (Java Runtime Environment) .

As of May 2026, is the latest standard release. Below is a comprehensive guide to help you decide which version to download and where to find the official files. 1. Java JDK vs. JRE: Which One Do You Need?

If you are looking for a , the choice depends entirely on whether you intend to build Java applications or simply run them.

What is the difference between JDK and JRE? - Stack Overflow