This reference is for Processing 2.0+. 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.
+= (add assign)
int a = 50; int b = 23; a += b; // Sets 'a' to 73
|Description||Combines addition with assignment. The expression a += b is equivalent to a = a + b.|
value1 += value2
-= (subtract assign)