Installing Java 17 Guide

| Problem | Likely Fix | | :--- | :--- | | 'java' is not recognized (Windows) | Java's bin folder is not in your PATH. Reinstall the .msi and ensure "Add to PATH" is selected. | | Unable to locate a Java Runtime (macOS) | Run /usr/libexec/java_home -V to see installed versions. Then manually set JAVA_HOME . | | Multiple Java versions conflict | On Linux, use sudo update-alternatives --config java to pick version 17. On Windows, reorder PATH entries. | | Permission denied (Linux) | Did you use sudo when moving files to /usr/lib/jvm/ ? |

Remember: If you ever need to switch between Java versions (e.g., Java 11 for an older project), tools like jEnv (macOS/Linux) or the "Java Version Manager" for Windows can help. installing java 17