    All Packages    This Package    Previous    Next

# Class java.lang.Number

    java.lang.Object
       |
       +----java.lang.Number

public class Number
extends Object

Number is an abstract superclass for numeric scalar types. Integer, Long, Float and Double are subclasses of Number that bind to a particular representation.

See Also:
  Integer, Long, Float, Double
Version:
  1.11, 11 Feb 1995
Author:
  Lee Boynton, Arthur van Hoff

##

Number()

##

doubleValue()
  Returns the value of the number as a double.
floatValue()
  Returns the value of the number as a float.
intValue()
  Returns the value of the number as an int.
longValue()
  Returns the value of the number as an long.

##

Number

      public Number()

##

intValue

      public abstract int intValue()

  Returns the value of the number as an int. This may involve rounding if the number is not already an integer.
  Returns:
    the integer value

longValue

      public abstract long longValue()

  Returns the value of the number as an long.

floatValue

      public abstract float floatValue()

  Returns the value of the number as a float.

doubleValue

      public abstract double doubleValue()

  Returns the value of the number as a double.

    All Packages    This Package    Previous    Next