Simon Willison’s Weblog

Automated Translation of Java to Python. java2python can translate most Java code in to non-idiomatic Python, using ANTLR for the heavy lifting.

Posted 15th February 2007 at 3:50 pm

Recent articles

Under the hood of Canada Spends with Brendan Samek - 9th December 2025
Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025

antlr 2 java 89 java2python 1 python 1211

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