What are you running? (Windows, macOS, Linux) What is the exact text of the error message you are seeing?

Multiple versions of Java can reside on a single machine. If an application utilizes the wrong version, ensure your system variables are configured accurately:

This error occurs when you attempt to run a compiled program requiring Java 8 (or newer) on an older JRE, such as Java 7 (1.7.0).

: For Windows users, Oracle provides a detailed JRE Installation Guide covering both 32-bit and 64-bit setups.

If you see java runtime 1.8 0 in an error message or software requirement, it means the application needs (update 0 or later). You can download it from Oracle’s archive or adopt OpenJDK 8.

Java 1.8.0 was not a minor update; it brought functional programming capabilities to a traditionally object-oriented language. The most critical additions include: 1. Lambda Expressions