Object Oriented Programming Concepts (OOPS)

Java

Python

C

C++

NodeJS

JavaScript

Groovy

JShell

Haskell

Tcl

Lua

Ada

CommonLisp

D

Elixir

Erlang

F#

Fortran

Assembly

Scala

Php

Python2

C#

Perl

Ruby

Go

R

Visual Basic(VB.NET)

Racket

OCaml

HTML

Materialize

Bootstrap

Foundation

Bulma

Uikit

Semantic UI

Skeleton

Milligram

PaperCSS