?: (conditional) \ Language (API) \ Processing 1.0
Author: Casey Reas & Ben Fry
Description: Processing is an electronic sketchbook for developing ideas. It is a context for learning fundamentals of computer programming within the context of the electronic arts.
Keywords: Processing, Processing, Interactive Media, Electronic Arts, Programming, Java, Ben Fry, Casey Reas

Reference for Processing version 1.5. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.

Name | ### ?: (conditional)
Examples |
    int s = 0;
    for(int i = 5; i < 100; i += 5) {
      s = (i < 50) ? 0 : 255;
      stroke(s);
      line(30, i, 80, i);
    }
Description | A shortcut for writing an if and else structure. If the condition evaluates to true, expression1 is evaluated and returned. If the condition evaluates to false, expression2 is evaluated and returned. The following conditional:
    result = condition ? expression1 : expression2
is equivalent to this structure:
    if (condition) {

      result = expression1

    } else {

      result = expression2

    }
Syntax |
    condition ? expression1 : expression2
Parameters |
condition | any valid expression which evaluates to true or false
expression1 | any valid expression
expression2 | any valid expression
Returns | Variable, dependent on the datatype of the expressions
Usage | Web & Application
Related | if() else

Updated on August 30, 2010 04:29:39pm EDT