, (comma) Structure Web & Application // Comma used to separate a list of variable declarations int a=20, b=30, c=80; // Comma used to separate a list of values assigned to an array int[] d = { 20, 60, 80 }; // Comma used to separate a list of parameters passed to a function line(a, b, c, b); line(d[0], d[1], d[2], d[1]); Separates parameters in function calls and elements during assignment. value1, ..., valueN value1, ..., valueN any int, float, byte, boolean, color, char, String 1.0 Operator PDE