Discussion
Which of the following languages are object-oriented programming languages? Languages: i) LISP ii) Java iii) C++ iv) Simula v) SQL vi) C
Answer: A
The keyed answer is i, ii, iii and iv only: LISP, Java, C++ and Simula. Java, C++ and Simula are object-oriented languages, and Simula is regarded as the first. LISP is a multi-paradigm language that has object-oriented features through its object system (CLOS), and the key counts it. SQL is a database query language and C is a procedural language, so v and vi are not object-oriented. Many textbooks would leave out LISP, but the official key includes it.
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