📅 最后修改于: 2020-11-15 03:02:48 🧑 作者: Mango
java.lang.Number类是BigDecimal，BigInteger，Byte，Double，Float，Integer，Long和Short类的超类。Number的子类必须提供将表示的数值转换为byte，double，float，int的方法。 ， 长和短。
以下是java.lang.Number类的声明-
public abstract class Number
extends Object
implements Serializable
| Sr.No. | Constructor & Description |
|---|---|
| 1 |
Number() This is the Single Constructor. |
| Sr.No. | Method & Description |
|---|---|
| 1 | byte byteValue()
This method returns the value of the specified number as a byte. |
| 2 | abstract double doubleValue()
This method returns the value of the specified number as a double. |
| 3 | abstract float floatValue()
This method returns the value of the specified number as a float. |
| 4 | abstract int intValue()
This method returns the value of the specified number as a int. |
| 5 | abstract long longValue()
This method returns the value of the specified number as a long. |
| 6 | short shortValue()
This method returns the value of the specified number as a short. |
此类从以下类继承方法-