libjava/java/lang/Number.java

   1 /* Copyright (C) 1998, 1999  Cygnus Solutions
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 package java.lang;
  10
  11 import java.io.Serializable;
  12
  13 /**
  14  * @author Warren Levy <warrenl@cygnus.com>
  15  * @date September 2, 1998.
  16  */
  17 /* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
  18  * "The Java Language Specification", ISBN 0-201-63451-1
  19  * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
  20  * Status:  Believed complete and correct.
  21  */
  22
  23 public abstract class Number implements Serializable
  24 {
  25   public byte byteValue()       // Became non-abstract in JDK 1.2
  26   {
  27     return (byte) intValue();
  28   }
  29
  30   public abstract double doubleValue();
  31   public abstract float floatValue();
  32   public abstract int intValue();
  33   public abstract long longValue();
  34
  35   public short shortValue()     // Became non-abstract in JDK 1.2
  36   {
  37     return (short) intValue();
  38   }
  39 }