From that Wikipedia link: > VisualAge for Java is based on an extended Smalltalk virtual machine which executes both Smalltalk and Java byte codes. Java native

From that Wikipedia link: > VisualAge for Java is based on an extended Smalltalk virtual machine which executes both Smalltalk and Java byte codes. Java natives were actually implemented in Smalltalk.[6] > VisualAge Micro Edition, which supports development of embedded Java applications and cross system development, is a reimplementation of the IDE in Java. This version of VisualAge morphed into the Eclipse Framework.