Packages This Package Prev Next Index
§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.
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.
Packages This Package Prev Next Index
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