Removing package private String constructor which used to be used by Integer and Long to share the char array with newly created string
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15 * accompanied this code).
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29 * The abstract class <code>Number</code> is the superclass of classes
30 * <code>BigDecimal</code>, <code>BigInteger</code>,
31 * <code>Byte</code>, <code>Double</code>, <code>Float</code>,
32 * <code>Integer</code>, <code>Long</code>, and <code>Short</code>.
34 * Subclasses of <code>Number</code> must provide methods to convert
35 * the represented numeric value to <code>byte</code>, <code>double</code>,
36 * <code>float</code>, <code>int</code>, <code>long</code>, and
40 * @author Arthur van Hoff
42 * @see java.lang.Double
43 * @see java.lang.Float
44 * @see java.lang.Integer
46 * @see java.lang.Short
49 public abstract class Number implements java.io.Serializable {
51 * Returns the value of the specified number as an <code>int</code>.
52 * This may involve rounding or truncation.
54 * @return the numeric value represented by this object after conversion
55 * to type <code>int</code>.
57 public abstract int intValue();
60 * Returns the value of the specified number as a <code>long</code>.
61 * This may involve rounding or truncation.
63 * @return the numeric value represented by this object after conversion
64 * to type <code>long</code>.
66 public abstract long longValue();
69 * Returns the value of the specified number as a <code>float</code>.
70 * This may involve rounding.
72 * @return the numeric value represented by this object after conversion
73 * to type <code>float</code>.
75 public abstract float floatValue();
78 * Returns the value of the specified number as a <code>double</code>.
79 * This may involve rounding.
81 * @return the numeric value represented by this object after conversion
82 * to type <code>double</code>.
84 public abstract double doubleValue();
87 * Returns the value of the specified number as a <code>byte</code>.
88 * This may involve rounding or truncation.
90 * @return the numeric value represented by this object after conversion
91 * to type <code>byte</code>.
94 public byte byteValue() {
95 return (byte)intValue();
99 * Returns the value of the specified number as a <code>short</code>.
100 * This may involve rounding or truncation.
102 * @return the numeric value represented by this object after conversion
103 * to type <code>short</code>.
106 public short shortValue() {
107 return (short)intValue();
110 /** use serialVersionUID from JDK 1.0.2 for interoperability */
111 private static final long serialVersionUID = -8742448824652078965L;