Actor-Based Concurrent Language (ABCL) is a family of programming languages, developed in Japan in the 1980s and 1990s. ==ABCL/1== ABCL/1 (Actor-Based Concurrent Language) is a prototype-based concurrent programming language for the ABCL MIMD system, created in 1986 by Akinori Yonezawa, of the Department of Information Science at the University of...