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Getting Started with Processing.py by Casey Reas, Ben Fry, Allison Parrish

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Appendix E. Processing, Python, and Java

The core Processing project is written in the Java programming language. Processing.py, the flavor of Processing used in this book, allows you to write Processing programs in Python, but is otherwise very closely based on this original Java implementation. A special version of Python (called Jython) is used internally by Processing.py as a “bridge” that allows for direct access to the Processing classes and functions implemented in Java.

For most uses, this integration is seamless. If it’s something that Python can do, or if it’s something that the Java implementation of Processing can do, you can do it in Processing.py. But you might occasionally encounter a hiccup or two. This appendix describes a few ...

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