Java.lang.Number Class

Java Number Class

The Number class,i .e Java.lang.Number which is an abstract class and the superclass of platform classes expressing numeric values that are convertible to the primitive types byte, double, float, int, long, and short, is provided by Java.lang package.

Class declaration

The declaration of java.lang.Number class is:

 

public abstract class Number
  extends Object
    implements Serializable


Class Constructor

S.N Constructors & Description
1. Number()

Java.lang.Number Methods

The java.lang.Number class has a number of methods which are listed below:

 

Member Methods

Number system
S.N Methods & Description
1. byte byteValue()
Returns the value of the specified number as a byte, which may involve rounding or truncation.
2. abstract double doubleValue()
Returns the value of the specified number as a double, which may involve rounding.
3. abstract float floatValue()
Returns the value of the specified number as a float, which may involve rounding.
4. abstract int intValue()
Returns the value of the specified number as an int, which may involve rounding or truncation.
5. abstract long longValue()
Returns the value of the specified number as a long, which may involve rounding or truncation.
6. short shortValue()
Returns the value of the specified number as a short, which may involve rounding or truncation.

Methods inherited by Java.lang.Number

This class inherits the methods of the following class:

  • java.lang.Object

 

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Also Read: Java – Java – For Loop

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