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 | boolean | ||||
|---|---|---|---|---|---|
| Examples |  boolean a = false; 
if (!a) { 
  rect(30, 20, 50, 50); 
} 
a = true; 
if (a) { 
  line(20, 10, 90, 80); 
  line(20, 80, 90, 10); 
} | ||||
| Description | Datatype for the Boolean values true and false. It is common to use booleanvalues with control statements to determine the flow of a program. The first time a variable is written, it must be declared with a statement expressing its datatype. | ||||
| Syntax | boolean var boolean var = booleanvalue | ||||
| Parameters | 
 | ||||
| Usage | Web & Application | ||||
| Related | true false | 

