text: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You under the Apache License, Version 2.0
   *  (the "License"); you may not use this file except in compliance with
   *  the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  
  package java.lang;
  
  
  /**
   * The abstract superclass of the classes which represent numeric base types
   * (that is {@link Byte}, {@link Short}, {@link Integer}, {@link Long},
   * {@link Float}, and {@link Double}.
   */
  public abstract class Number implements java.io.Serializable {
  
      private static final long serialVersionUID = -8742448824652078965L;
  
      /**
       * Empty default constructor.
       */
      public Number() {
      }
  
      /**
       * Returns this object's value as a byte. Might involve rounding and/or
       * truncating the value, so it fits into a byte.
       *
       * @return the primitive byte value of this object.
       */
      public byte byteValue() {
          return (byte) intValue();
      }
  
      /**
       * Returns this object's value as a double. Might involve rounding.
       *
       * @return the primitive double value of this object.
       */
      public abstract double doubleValue();
  
      /**
       * Returns this object's value as a float. Might involve rounding.
       *
       * @return the primitive float value of this object.
       */
      public abstract float floatValue();
  
      /**
       * Returns this object's value as an int. Might involve rounding and/or
       * truncating the value, so it fits into an int.
       *
       * @return the primitive int value of this object.
       */
      public abstract int intValue();
  
      /**
       * Returns this object's value as a long. Might involve rounding and/or
       * truncating the value, so it fits into a long.
       *
       * @return the primitive long value of this object.
       */
      public abstract long longValue();
  
      /**
       * Returns this object's value as a short. Might involve rounding and/or
       * truncating the value, so it fits into a short.
       *
       * @return the primitive short value of this object.
       */
      public short shortValue() {
          return (short) intValue();
      }
  }
  