I want to design specific class hierarchy consisting of three classes: Certificate, Organization, User. Both Certificate and Organization seem to me to be kinda
psi
transloadit
mlogit
spannablestring
delphi-2010
ubuntu-19.04
in-app-update
ptxas
virus-scanning
cx-oracle
typewriter
communication-protocol
npm-shrinkwrap
plop
worker-pool
meilisearch
ip-camera
web-scripting
calloc
dbase
system-analysis
thinktecture-ident-server
constraint-satisfaction
raw-disk
xampp
jpanel
tstringlist
tiles
jquery-collision
unit-of-work