It is sometimes beneficial to convert a value from one type of data to another. Each of the conversion functions converts its parameter to an equivalent representation within its datatype. The conversion functions include int(), float(), char(), byte(), and others.
Original Processing.org Example: DatatypeConversion
// All Examples Written by Casey Reas and Ben Fry // unless otherwise stated. size(200, 200); background(51); noStroke(); char c; // Chars are used for storing typographic symbols float f; // Floats are decimal numbers int i; // Ints are values between 2,147,483,647 and -2147483648 byte b; // Bytes are values between -128 and 128 c = 'A'; f = float(c); // Sets f = 65.0 i = int(f * 1.4); // Sets i to 91 b = byte(c / 2); // Sets b to 32 rect(f, 0, 40, 66); fill(204); rect(i, 67, 40, 66); fill(255); rect(b, 134, 40, 66);