sentence: in the late 1980s and 1990s , the notable imperative languages drawing on object-oriented concepts were perl , released by larry wall in 1987 ; python , released by guido van rossum in 1990 ; visual basic and visual c++ ( which included mfc 2.0 ) , released by microsoft in 1991 and 1993 respectively ; php , released by rasmus lerdorf in 1994 ; java , first released by sun microsystems in 1994 and ruby , released in 1995 by yukihiro '' matz '' matsumoto .