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Class java.lang.Number
java.lang.Object
|
+----java.lang.Number
- public abstract class Number
- extends Object
- implements Serializable
The abstract class Number
is the superclass of classes Byte
, Double
, Float
, Integer
, Long
, and Short
. Subclasses of Number
must provide methods to convert the represented numeric value to byte
, double
, float
, int
, long
, and short
.
- See Also:
- Byte, Double, Float, Integer, Long, Short
- Number()
- byteValue()
- Returns the value of the specified number as a
byte
. - doubleValue()
- Returns the value of the specified number as a
double
. - floatValue()
- Returns the value of the specified number as a
float
. - intValue()
- Returns the value of the specified number as an
int
. - longValue()
- Returns the value of the specified number as a
long
. - shortValue()
- Returns the value of the specified number as a
short
.
Number
public Number()
intValue
public abstract int intValue()
- Returns the value of the specified number as an
int
. This may involve rounding. - Returns:
- the numeric value represented by this object after conversion to type
int
.
longValue
public abstract long longValue()
- Returns the value of the specified number as a
long
. This may involve rounding. - Returns:
- the numeric value represented by this object after conversion to type
long
.
floatValue
public abstract float floatValue()
- Returns the value of the specified number as a
float
. This may involve rounding. - Returns:
- the numeric value represented by this object after conversion to type
float
.
doubleValue
public abstract double doubleValue()
- Returns the value of the specified number as a
double
. This may involve rounding. - Returns:
- the numeric value represented by this object after conversion to type
double
.
byteValue
public byte byteValue()
- Returns the value of the specified number as a
byte
. This may involve rounding or truncation. - Returns:
- the numeric value represented by this object after conversion to type
byte
.
shortValue
public short shortValue()
- Returns the value of the specified number as a
short
. This may involve rounding or truncation. - Returns:
- the numeric value represented by this object after conversion to type
short
.
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