Operators - JavaTech: An Introduction to Scientific and Technical Computing with Java - page 686

Table A.2.2 Arithmetic operators. x and y are numeric or char types. If mixed
floating-point and integer types, then floating-point arithmetic is used and a
floating-point value returned. If mixed integer types, the wider type is returned.
If double and float mixed, double is returned.

Operator Description

Addition.

x+y

x - y

Subtraction.

Multiplication.

x*y

Division.
If FP arithmetic and y = 0.0, then infinity returned if x is not
zero, NaN if x is zero.
ArthmeticException thrown if x and y are integer types
and y is zero.

x/y

Modulo - remainder of x/y returned.
If floating-point arithmetic and y

x%y

= 0.0 or infinity, then NaN

returned.
ArthmeticException thrown if x and y are integer types
and y is zero.

Unary minus.
Negation of x value.

-x