I had the Psion Revo+, I used to code and compile Java 1.1 programs on it. Everything had to be cointained in 16Mb RAM, the Revo+ didn't have a flash card read

I had the Psion Revo+, I used to code and compile Java 1.1 programs on it. Everything had to be cointained in 16Mb RAM, the Revo+ didn't have a flash card reader I even managed to include Swing and HSQLDB