This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Name

// (comment)

Examples
// Draws two lines which divides the window
// into four quadrants
line(0, 50, 100, 50);  // Draw the horizontal line
line(50, 0, 50, 100);  // Draw the vertical line
Description Explanatory notes embedded within the code. Comments are used to remind yourself and to inform others about the details of the code. Single-line comments are signified with the two forward slash characters. Comments are ignored by the compiler.
Syntax
// comment
Parameters
comment any sequence of characters
Related/* */ (multiline comment)
/** */ (doc comment)
Updated on January 1, 2021 03:38:12am EST