Removing all old versions of Java and running only the latest, patched versions is easier said than done. For one, new Java installs don’t necessarily uninstall the older versions automatically.

According to the State of the Java Ecosystem report, as of 2024, more than 32% of applications use Java 11 in production. Java 8 is at 28.8%, Java 17 is at 35.4% and Java 21 is at just 1.4%.

They're verifying which versions of Java are running, and then targeting the older versions if they're installed. A company might think they're doing the right thing by updating their Java ...

Java 22 arrives with previews of scoped values, structured concurrency, stream gatherers, and the ability to execute multi-file programs. Java Development Kit 22, the next version of Java Standard ...

Each version will be associated with a number, starting with 0. If you want to switch to Java 18, locate and type the associated number for Java 18 and hit Enter on your keyboard.

Using Java Control Panel in Windows 11/10 Go to Start and open Control Panel. In the Control Panel, click on Java icon to open the Java Control Panel. Now to enable the latest installed version of ...

Specifically, Java on the client is the problem. Oracle, which oversees Java, has stressed a need for users to upgrade to the latest version of Java to fend off security problems.

The majority of organisations, 82 percent, are running the most vulnerable version of Java, version six, on PCs and servers within their organisation, a research report by security firm Bit9 said.