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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » java.lang

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

java.lang .Number

All known Subclasses:   java.math .BigDecimal,  java.math .BigInteger,
Number
abstract public class Number implements java.io.Serializable(Code)
The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short. NOTE: java.math.BigDecimal is found in J2ME CDC profiles such as J2ME Foundation Profile.
Subclasses of Number must provide methods to convert the represented numeric value to byte, double, float, int, long, and short.
author:
   Lee Boynton
author:
   Arthur van Hoff
version:
   1.25, 02/02/00
See Also:   java.lang.Byte
See Also:   java.lang.Double
See Also:   java.lang.Float
See Also:   java.lang.Integer
See Also:   java.lang.Long
See Also:   java.lang.Short
since:
   JDK1.0

Method Summary
public byte byteValue()
     Returns the value of the specified number as a byte.
abstract public double doubleValue()
     Returns the value of the specified number as a double.
abstract public float floatValue()
     Returns the value of the specified number as a float.
abstract public int intValue()
     Returns the value of the specified number as an int.
abstract public long longValue()
     Returns the value of the specified number as a long.
public short shortValue()
     Returns the value of the specified number as a short.

Method Detail
byteValue
public byte byteValue()(Code)
Returns the value of the specified number as a byte. This may involve rounding or truncation. the numeric value represented by this object after conversionto type byte.
since:
   JDK1.1

doubleValue
abstract public double doubleValue()(Code)
Returns the value of the specified number as a double. This may involve rounding. the numeric value represented by this object after conversionto type double.

floatValue
abstract public float floatValue()(Code)
Returns the value of the specified number as a float. This may involve rounding. the numeric value represented by this object after conversionto type float.

intValue
abstract public int intValue()(Code)
Returns the value of the specified number as an int. This may involve rounding or truncation. the numeric value represented by this object after conversionto type int.

longValue
abstract public long longValue()(Code)
Returns the value of the specified number as a long. This may involve rounding or truncation. the numeric value represented by this object after conversionto type long.

shortValue
public short shortValue()(Code)
Returns the value of the specified number as a short. This may involve rounding or truncation. the numeric value represented by this object after conversionto type short.
since:
   JDK1.1

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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