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§1.11 Class Number

 
public  abstract class  java.lang.Number
    extends  java.lang.Object  (I-§1.12)
{
        // Methods
    public abstract double doubleValue();	§1.11.1
    public abstract float floatValue();	§1.11.2
    public abstract int intValue();	§1.11.3
    public abstract long longValue();	§1.11.4
}
The abstract class Number is the superclass of classes Float (I-§1.7), Double (I-§1.6), Integer (I-§1.8), and Long (I-§1.9).

Subclasses of Number must provide methods to convert the represented numeric value to int, long, float, and double.

Methods

doubleValue

public abstract double doubleValue()
Returns:
The numeric value represented by this object is returned after conversion to type double.

floatValue

public abstract float floatValue()
Returns:
The numeric value represented by this object is returned after conversion to type float.

intValue

public abstract int intValue()
Returns:
The numeric value represented by this object is returned after conversion to type int.

longValue

public abstract long longValue()
Returns:
The numeric value represented by this object is returned after conversion to type long. 

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Java API Document (HTML generated by dkramer on April 22, 1996)
Copyright © 1996 Sun Microsystems, Inc. All rights reserved
Please send any comments or corrections to doug.kramer@sun.com