Java is an installation of the legacy Java 6 runtime on macOS 11.13 High Sierra, macOS 10.12 Sierra and macOS 10.11 El Capitan.
This package is only for legacy software support and installs the same deprecated Java 6 version included in the 2015-011, 2014-011 and 2013-005 releases.
Before installing this update, close all Java applications.
See https://support.apple.com/en-us/HT202912 for more details about this update.
See https://support.apple.com/en-us/HT201222 for information about the security content of this update.
Keep your software current. Java for OS X is available from Oracle http://www.java.com