java.lang
Class Number

java.lang.Object
  java.lang.Number

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AtomicInteger, AtomicLong, BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, Short

public abstract class Number
extends Object
implements Serializable

Number super class of classes that impelement number, i.e., Byte, Short, Integer, Double, Long, BigInteger, etc.

Since:

1.0

See Also:

Serialized Form

Constructor Summary

Number()
Constructor for a number, needs to be called by sub-class' constructor.

Method Summary

byte	byteValue() byteValue returns this number as a byte, may involve rounding or truncation.
abstract double	doubleValue() doubleValue returns this number as a double, may involve rounding or truncation.
abstract float	floatValue() floatValue returns this number as a float, may involve rounding or truncation.
abstract int	intValue() intValue returns this number as an int, may involve rounding or truncation.
abstract long	longValue() longValue returns this number as a long, may involve rounding or truncation.
short	shortValue() shortValue returns this number as a short, may involve rounding or truncation.

Methods inherited from class java.lang.Object

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

Constructor Detail

Number

public Number()

Constructor for a number, needs to be called by sub-class' constructor.

Method Detail

intValue

public abstract int intValue()

intValue returns this number as an int, may involve rounding or truncation.

Returns:

the value as an int.

longValue

public abstract long longValue()

longValue returns this number as a long, may involve rounding or truncation.

Returns:

the value as a long.

floatValue

public abstract float floatValue()

floatValue returns this number as a float, may involve rounding or truncation.

Returns:

the value as a float.

doubleValue

public abstract double doubleValue()

doubleValue returns this number as a double, may involve rounding or truncation.

Returns:

the value as a double.

byteValue

public byte byteValue()

byteValue returns this number as a byte, may involve rounding or truncation.

Returns:

the value as a byte.

Since:

1.1

shortValue

public short shortValue()

shortValue returns this number as a short, may involve rounding or truncation.

Returns:

the value as a short.

Since:

1.1