| java_check_version_cmd | Check installed Java version using terminal commands | 
| java_check_version_rjava | Check Java Version with a Specified JAVA_HOME Using a Separate R Session | 
| java_clear | Manage Java installations and distributions caches | 
| java_download | Download a Java distribution | 
| java_env_set | Set the 'JAVA_HOME' and 'PATH' environment variables to a given path | 
| java_env_unset | Unset the JAVA_HOME and PATH environment variables in the project .Rprofile | 
| java_install | Install Java from a distribution file | 
| java_list | List the contents of the Java versions installed or cached | 
| java_quick_install | Download and install and set Java in current working/project directory | 
| java_unpack | Unpack a Java distribution file into cache directory | 
| java_valid_versions | Retrieve Valid Java Versions | 
| rje_consent | Obtain User Consent for rJavaEnv | 
| use_java | Install specified Java version and set the 'JAVA_HOME' and 'PATH' environment variables in current R session |