Is Java installed? To run the Java command, first you must have Java installed. This means either the Java Runtime Environment (JRE) or the full Java Development Kit (JDK).

Downgrading to Java 1.3.1 If you are having problems with Java 1.4.1 and want to downgrade, your best bet is to perform an Archive and Install process for a fresh Mac OS X 10.2.6 installation, and ...

Oracle's newly released Java 7 runtime is relatively painless to install and uninstall.

Microsoft is offering advice on how to protect yourself from Java-based malware. The instructions are simple: either update it, disable it, or just uninstall it completely.

In short, if you have Java installed it is time to patch it or pitch it. The latest update for Java 7 (the version most users will have installed) brings the program to Java 7 Update 65.

If you're on Chrome, you can visit chrome://plugins/ to see if Java is installed. Click the Disable button under the entry, which automatically blocks both the Java and Java Development Toolkit ...

Java is a difficult beast that is causing a lot of concern in the CTO, CIO and CSO offices. Mitigating Java risk, including disabling Java, is easier said than done in today's business world. Java ...

Leaving the Java plugin installed in a secondary browser that is only used for sites or services that require Java is another alternative.

If Java is not working in VS Code, Edge, Chrome on Windows 11, download the latest version, fix the registry and add environment variables to fix the issue.

This means that 9 out of 10 computers with Java installed can be compromised should users click on the wrong link, or visit legitimate websites that have been hacked to incorporate the malicious code.