CSS (Cascading Style Sheets) is a representation style sheet language used for describing the look and formatting of HTML (HyperText Markup Language), XML (Extensible Markup Language) documents and SVG elements including (but not limited to) colors, layout, fonts, and animations.
Java is a high-level programming language.
R is a free, open-source programming language and software environment for statistical computing, bioinformatics, visualization, and general computing.
C++ is a general-purpose programming language.
PHP(Hypertext Preprocessor) is a widely used, high-level, dynamic, object-oriented, and interpreted scripting language primarily designed for server-side web development.
Do NOT use for questions about .NET Core - use [.net-core] instead.