java.lang
Class Double

java.lang.Object
  java.lang.Double

public class Double
extends Object

Class to represent a double as an immutable object.

Field Summary

static double	MAX_VALUE Maximum non-inifinity value.
static double	MIN_VALUE Smallest positive value.
static double	NaN Not a number value.
static double	NEGATIVE_INFINITY Negative infinity.
static double	POSITIVE_INFINITY Positive infinity.

Constructor Summary

Double(double d)
Constructs a Double object.

Method Summary

static boolean	isInfinite(double d) Checks if the double value specified is infinite.
boolean	isNaN() Checks if this Double is Not-a-Number (NaN).
static boolean	isNaN(double d) Checks if the double value specified is Not-a-Number (NaN).
String	toString() Returns a String representation of this Double.
static String	toString(double d) Returns a String representation of the specified double.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait

Field Detail

MAX_VALUE

public static final double MAX_VALUE

Maximum non-inifinity value.

MIN_VALUE

public static final double MIN_VALUE

Smallest positive value.

NaN

public static final double NaN

Not a number value.

NEGATIVE_INFINITY

public static final double NEGATIVE_INFINITY

Negative infinity.

POSITIVE_INFINITY

public static final double POSITIVE_INFINITY

Positive infinity.

Constructor Detail

Double

public Double(double d)

Constructs a Double object.

Parameters:

d - double value

Method Detail

isInfinite

public static boolean isInfinite(double d)

Checks if the double value specified is infinite.

Parameters:

d - double to check

Returns:

true if infinite, otherwise false

isNaN

public boolean isNaN()

Checks if this Double is Not-a-Number (NaN).

Returns:

true if NaN, otherwise false

isNaN

public static boolean isNaN(double d)

Checks if the double value specified is Not-a-Number (NaN).

Parameters:

d - double to check

Returns:

true if NaN, otherwise false

toString

public String toString()

Returns a String representation of this Double.

Overrides:

toString in class Object

Returns:

String representation of the value

toString

public static String toString(double d)

Returns a String representation of the specified double.

Parameters:

d - double value

Returns:

String representation of the value