Package org.checkerframework.checker.units.qual

Enum Class Prefix

java.lang.Object

java.lang.Enum<Prefix>

org.checkerframework.checker.units.qual.Prefix

All Implemented Interfaces:

Serializable, Comparable<Prefix>, Constable

public enum Prefix
extends Enum<Prefix>

SI prefixes.

From http://en.wikipedia.org/wiki/SI_prefix:

 yotta   Y   1000^8     10^24    1000000000000000000000000   Septillion      Quadrillion     1991
 zetta   Z   1000^7     10^21    1000000000000000000000      Sextillion      Trilliard       1991
 exa     E   1000^6     10^18    1000000000000000000         Quintillion     Trillion        1975
 peta    P   1000^5     10^15    1000000000000000            Quadrillion     Billiard        1975
 tera    T   1000^4     10^12    1000000000000               Trillion        Billion         1960
 giga    G   1000^3     10^9     1000000000                  Billion         Milliard        1960
 mega    M   1000^2     10^6     1000000                     Million                         1960
 kilo    k   1000^1     10^3     1000                        Thousand                        1795
 hecto   h   1000^2/3   10^2     100                         Hundred                         1795
 deca    da  1000^1/3   10^1     10                          Ten                             1795
             1000^0     10^0     1                           One
 deci    d   1000^-1/3  10^-1    0.1                         Tenth                           1795
 centi   c   1000^-2/3  10^-2    0.01                        Hundredth                       1795
 milli   m   1000^-1    10^-3    0.001                       Thousandth                      1795
 micro   my  1000^-2    10^-6    0.000001                    Millionth                       1960
 nano    n   1000^-3    10^-9    0.000000001                 Billionth       Milliardth      1960
 pico    p   1000^-4    10^-12   0.000000000001              Trillionth      Billionth       1960
 femto   f   1000^-5    10^-15   0.000000000000001           Quadrillionth   Billiardth      1964
 atto    a   1000^-6    10^-18   0.000000000000000001        Quintillionth   Trillionth      1964
 zepto   z   1000^-7    10^-21   0.000000000000000000001     Sextillionth    Trilliardth     1991
 yocto   y   1000^-8    10^-24   0.000000000000000000000001  Septillionth    Quadrillionth   1991
 

See the Checker Framework Manual:

Units Checker

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
atto	SI prefix for 10^-18.
centi	SI prefix for 10^-2.
deca	SI prefix for 10^1.
deci	SI prefix for 10^-1.
exa	SI prefix for 10^18.
femto	SI prefix for 10^-15.
giga	SI prefix for 10^9.
hecto	SI prefix for 10^2.
kilo	SI prefix for 10^3.
mega	SI prefix for 10^6.
micro	SI prefix for 10^-6.
milli	SI prefix for 10^-3.
nano	SI prefix for 10^-9.
one	SI prefix for 10^0, or 1.
peta	SI prefix for 10^15.
pico	SI prefix for 10^-12.
tera	SI prefix for 10^12.
yocto	SI prefix for 10^-24.
yotta	SI prefix for 10^24.
zepto	SI prefix for 10^-21.
zetta	SI prefix for 10^21.

Method Summary

Modifier and Type	Method	Description
static Prefix	valueOf(String name)	Returns the enum constant of this class with the specified name.
static Prefix[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

yotta

public static final Prefix yotta

SI prefix for 10^24.

zetta

public static final Prefix zetta

SI prefix for 10^21.

exa

public static final Prefix exa

SI prefix for 10^18.

peta

public static final Prefix peta

SI prefix for 10^15.

tera

public static final Prefix tera

SI prefix for 10^12.

giga

public static final Prefix giga

SI prefix for 10^9.

mega

public static final Prefix mega

SI prefix for 10^6.

kilo

public static final Prefix kilo

SI prefix for 10^3.

hecto

public static final Prefix hecto

SI prefix for 10^2.

deca

public static final Prefix deca

SI prefix for 10^1.

one

public static final Prefix one

SI prefix for 10^0, or 1.

deci

public static final Prefix deci

SI prefix for 10^-1.

centi

public static final Prefix centi

SI prefix for 10^-2.

milli

public static final Prefix milli

SI prefix for 10^-3.

micro

public static final Prefix micro

SI prefix for 10^-6.

nano

public static final Prefix nano

SI prefix for 10^-9.

pico

public static final Prefix pico

SI prefix for 10^-12.

femto

public static final Prefix femto

SI prefix for 10^-15.

atto

public static final Prefix atto

SI prefix for 10^-18.

zepto

public static final Prefix zepto

SI prefix for 10^-21.

yocto

public static final Prefix yocto

SI prefix for 10^-24.

Method Details

values

public static Prefix[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static Prefix valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null