No puedo ejecutar java.

[Marcos Quintana]

Buenos días, me gustaría saber como puedo ejecutar java en Mozilla Firefox V.53 se que ya no dan soporte para Java pero si no puedo ejecutar java me veo obligado a cambiar de navegador, pues necesito ejecutarlo porque visito web que lo requieren. Hay alguna solución?
Gracias por vuestra atención.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: firefox 53.0.3+build1-0ubuntu0.16.10.2
ProcVersionSignature: Ubuntu 4.8.0-53.56-generic 4.8.17
Uname: Linux 4.8.0-53-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.3-0ubuntu8.3
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: marcosqd 2059 F.... pulseaudio
BuildID: 20170524174609
Channel: Unavailable
CurrentDesktop: Unity
Date: Wed Jun 7 07:20:27 2017
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2017-04-14 (53 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
IpRoute:
 default via 192.168.1.1 dev enp2s0 proto static metric 100
 192.168.1.0/24 dev enp2s0 proto kernel scope link src 192.168.1.73 metric 100
Locales: extensions.sqlite corrupt or missing
Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
PrefSources: prefs.js
ProcEnviron:
 LANGUAGE=es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=53.0.3/20170524174609 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/03/2008
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.35
dmi.board.name: Tangiz
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.asset.tag: None
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.35:bd07/03/2008:svnAcer:pnExtensa7620:pvr0100:rvnAcer:rnTangiz:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Extensa 7620
dmi.product.version: 0100
dmi.sys.vendor: Acer

[SUPER_ET_DUPER (machst)]

This user would like to know how to run Java in Firefox.