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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.
| Number | |||||||||||||||||||||
| | | |||||||||||||||||||||
| | | - | - | Byte | ||||||||||||||||||
| | | |||||||||||||||||||||
| | | - | - | Short | ||||||||||||||||||
| | | |||||||||||||||||||||
| | | - | - | Integer | ||||||||||||||||||
| | | |||||||||||||||||||||
| | | - | - | Long | ||||||||||||||||||
| | | |||||||||||||||||||||
| | | - | - | Float | ||||||||||||||||||
| | | |||||||||||||||||||||
| | | - | - | Double | ||||||||||||||||||
The declaration of Number class is:
public abstract class Number
extends Object
implements Serializable
Methods from Number class
| Return | Method | Summary |
|---|---|---|
| byte | byteValue() | Returns the value as a byte. |
| abstract double | doubleValue() | Returns the value as a double. |
| abstract float | floatValue() | Returns the value as a float. |
| abstract int | intValue() | Returns the value as an int. |
| abstract long | longValue() | Returns the value as a long. |
| short | shortValue() | Returns the value as a short. |
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