- Two most important methods
void setup()method runs once in the beginingvoid draw()runs multiple times (once for each frame) - Each executable line of code is called statement. It ends with ;
Ex:size(400, 400); - Single line comments start with // and they are not executed
Ex://this is comment. Has no effect on program - Multi line comments start with /* and end with */
Ex:/* this is a multiline comment.
Has no effect on program */