Numbers Doradus supports both integer and floating-point numeric literals. An integer literal is all digits, preceded with a minus sign (-) for negative values. Integer literals are considered long (64-bit). Floating-point constants use the same format supported by Java: an optional preceding sign, at least one digit, an optional fractional part, and an optional exponent, which may be signed. Example floating-point literals are shown below: 0 -123 3.14 10E12 2.718e-6