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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package java.lang;

The abstract class Number is the superclass of classes
BigDecimal, BigInteger,
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.
Author:
     Lee Boynton,      Arthur van Hoff
See Also:
Byte
Double
Float
Integer
Long
Short
Since:
  JDK1.0/**
 * The abstract class <code>Number</code> is the superclass of classes
 * <code>BigDecimal</code>, <code>BigInteger</code>,
 * <code>Byte</code>, <code>Double</code>, <code>Float</code>,
 * <code>Integer</code>, <code>Long</code>, and <code>Short</code>.
 * <p>
 * Subclasses of <code>Number</code> must provide methods to convert
 * the represented numeric value to <code>byte</code>, <code>double</code>,
 * <code>float</code>, <code>int</code>, <code>long</code>, and
 * <code>short</code>.
 *
 * @author      Lee Boynton
 * @author      Arthur van Hoff
 * @see     java.lang.Byte
 * @see     java.lang.Double
 * @see     java.lang.Float
 * @see     java.lang.Integer
 * @see     java.lang.Long
 * @see     java.lang.Short
 * @since   JDK1.0
 */
public abstract class Number implements java.io.Serializable {
    
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./**
     * Returns the value of the specified number as an <code>int</code>.
     * This may involve rounding or truncation.
     *
     * @return  the numeric value represented by this object after conversion
     *          to type <code>int</code>.
     */
    public abstract int intValue();

    
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./**
     * Returns the value of the specified number as a <code>long</code>.
     * This may involve rounding or truncation.
     *
     * @return  the numeric value represented by this object after conversion
     *          to type <code>long</code>.
     */
    public abstract long longValue();

    
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./**
     * Returns the value of the specified number as a <code>float</code>.
     * This may involve rounding.
     *
     * @return  the numeric value represented by this object after conversion
     *          to type <code>float</code>.
     */
    public abstract float floatValue();

    
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./**
     * Returns the value of the specified number as a <code>double</code>.
     * This may involve rounding.
     *
     * @return  the numeric value represented by this object after conversion
     *          to type <code>double</code>.
     */
    public abstract double doubleValue();

    
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/**
     * Returns the value of the specified number as a <code>byte</code>.
     * This may involve rounding or truncation.
     *
     * @return  the numeric value represented by this object after conversion
     *          to type <code>byte</code>.
     * @since   JDK1.1
     */
    public byte byteValue() {
        return (byte)intValue();
    }

    
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/**
     * Returns the value of the specified number as a <code>short</code>.
     * This may involve rounding or truncation.
     *
     * @return  the numeric value represented by this object after conversion
     *          to type <code>short</code>.
     * @since   JDK1.1
     */
    public short shortValue() {
        return (short)intValue();
    }

    
use serialVersionUID from JDK 1.0.2 for interoperability /** use serialVersionUID from JDK 1.0.2 for interoperability */
    private static final long serialVersionUID = -8742448824652078965L;
}