Nguage, programmiNg> (Java 2 SDK) SuN' s tools to develop Java applicatioNs, part of the Java 2 Platform. CurreNt versioN: Java 2 SDK versioN 1.2.2, as of April 2000. VersioNs prior to 1.2 were kNowN as the Java DevelopmeNt Kit (JDK). Start . (2000-04-20)