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- /*
- * @(#)Number.java 1.15 95/07/27
- *
- * Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- */
-
- package java.lang;
-
- /**
- * Number is an abstract superclass for numeric scalar types.
- * Integer, Long, Float and Double are subclasses of Number that bind
- * to a particular numeric representation.<p>
- *
- * @see Integer
- * @see Long
- * @see Float
- * @see Double
- * @version 1.15, 07/27/95
- * @author Lee Boynton
- * @author Arthur van Hoff
- */
- public abstract class Number {
- /**
- * Returns the value of the number as an int.
- * This may involve rounding if the number is not already an integer.
- */
- public abstract int intValue();
-
- /**
- * Returns the value of the number as a long. This may involve rounding
- * if the number is not already a long.
- */
- public abstract long longValue();
-
- /**
- * Returns the value of the number as a float. This may involve rounding
- * if the number is not already a float.
- */
- public abstract float floatValue();
-
- /**
- * Returns the value of the number as a double. This may involve rounding
- * if the number is not already a double.
- */
- public abstract double doubleValue();
- }
-