I never thought I'd have an opportunity to post about this, given that Java applets are no longer supported, but: S. Sverdlov in 1998 created an Oberon-2 compil

I never thought I'd have an opportunity to post about this, given that Java applets are no longer supported, but: S. Sverdlov in 1998 created an Oberon-2 compiler in Java called "J()B" for creating applets. The first such applet was a Black Square implementation: https://pm.vogu35.ru/JOB/ https://pm.vogu35.ru/JOB/