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 

Since:

JDK1.0

See Also:

Byte, Double, Float, Integer, Long, Short, Serialized Form

• Constructor Summary

  Constructors

  Constructor and Description
  Number ()

• Method Summary

  Methods

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

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • Number

    public Number()

• Method Detail

  • intValue

    public abstract int intValue()

    Returns the value of the specified number as an int. This may involve rounding or truncation.

    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 or truncation.

    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.

    Since:

    JDK1.1

  • 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.

    Since:

    JDK1.1