Tags: Programming Language.
ABC is an imperative general-purpose programming language and programming environment developed at CWI Netherlands by Leo Geurts Lambert Meertens and Steven Pemberton. It is interactive structured high-level and intended to be used instead of BASIC Pascal or AWK. It is not meant to be a systems-programming language but is intended for teaching or prototyping.ABC has only five basic datatypes. It does not require variable declarations. It has explicit support for top-down programming.