- Processing
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- Processing Foundation

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 | ### && (logical AND)
Examples |
    for (int i = 5; i <= 95; i += 5) {
      if ((i > 35) && (i < 60)) {
        stroke(0);  // Set color to black
      } else {
        stroke(255);  // Set color to white
      }
      line(30, i, 80, i);
    }
Description | Compares two expressions and returns true only if both evaluate to true. Returns false if one or both evaluate to false. The following list shows all possible combinations: `true && false // Evaluates false because the second is false false && true // Evaluates false because the first is false true && true // Evaluates true because both are true false && false // Evaluates false because both are false`
Syntax |
    expression1 && expression2
Parameters |
expression1 | any valid expression
expression2 | any valid expression
Related | || (logical OR) ! (logical NOT) if

Updated on January 1, 2021 03:38:12am EST
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