UmpleOnline: Generate Java, C++, PHP, Alloy, NuSMV or Ruby code from Umple

Draw on the right, write (Umple) model code on the left. Analyse models and generate code.
This tool stores your data in cookies and on a server. For the AI feature, your API key is never sent to our server backend. I understand. Click to learn about privacy.
Download Donate For help: User manual Ask questions Report issue

JavaScript is disabled so the dynamic features of this page will not work. To use UmpleOnline, turn Javascript on. Otherwise you can download the command-line Umple compiler or use Eclipse. //The warning does not occur //by removing the ambiguity class A { sm { s1 { e -> s2.s1; } s2 { s1 { } } } }