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Class java.lang.Number

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

public abstract class Number

extends Object

implements Serializable

super class of:

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

Subclasses of Number must provide methods to convert the represented numeric value to byte, double, float, int, long, and short.

Since:

JDK1.0

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.

 public Number()

 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.

 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.

 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.

 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.

 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.

 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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