dpkg -l | grep java

ii  gir1.2-javascriptcoregtk-3.0           1.8.0-0ubuntu2                          GObject introspection data for the GTK+-based JavaScriptCore library
ii  gjs                                    1.32.0-1ubuntu1                         Mozilla-based javascript bindings for the GNOME platform
ii  java-common                            0.43ubuntu2                             Base of all Java packages
ii  libgjs0c                               1.32.0-1ubuntu1                         Mozilla-based javascript bindings for the GNOME platform
ii  libjavascriptcoregtk-3.0-0             1.8.0-0ubuntu2                          Javascript engine library for GTK+
ii  libmozjs185-1.0                        1.8.5-1.0.0-0ubuntu8                    Spidermonkey javascript engine
ii  oracle-java7-installer                 7u4-0~webupd8~2                         Sun Java(TM) Development Kit (JDK) 7
ii  tzdata-java                            2012b-1                                 time zone and daylight-saving time data for use by java runtimes
ii  update-java                            0.5.2-2~webupd8                         Updates JDK to the latest version