Every Computer Language Has A Meta-Model – and They’re All Different

• C++

  • Classes, structs == classes, abstract base classes, multiple inheritance, composition, generics, functions, methods, operators, fundamental types, exceptions, arrays, etc.

• Java

  • Classes, interfaces, exceptions
  • No structs, no functions, no generics, no multiple inheritance

• CORBA IDL

  • Interfaces, structs, valuetypes, sequences, enumerations, multiple inheritance of interfaces, unions
  • No classes

• HLA

  • Classes (objects), interactions, attributes, single inheritance
  • No interfaces, no composition, no functions/methods, no ...

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