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Java Source | 1999-09-19 | 2.0 KB | 66 lines |
- /*
- * @(#)ReadingMaterial.java 1.1 98/10/03
- *
- * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * 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.
- *
- *
- */
-
- import java.io.*;
-
- /**
- * The superclass DOES NOT implement externalizable
- */
- class ReadingMaterial {
-
- /*
- * In order for us to be able to serialize this data, these must be
- * either serializable/externalizable objects or primitive data types.
- *
- *
- * We do not make these private because we need the subclass Book to be
- * able to save the state of this superclass.
- * Alternatively, we could make these private and create set and get
- * functions that would allow access to the Book subclass.
- * If we failed to do that with private fields, then fields would not
- * be saveable!
- */
- String author;
- String subject;
- int yearwritten;
-
- // other relevant data and methods
- // .
- // .
- // .
-
- /*
- * A public no-arg constructor so that an externalizable sub-class can
- * use it. If this did not exist, then the subclass would have to call
- * the regular argument constructor with default arguments in its own
- * public no-arg constructor
- */
- public ReadingMaterial() {}
-
- ReadingMaterial(String auth, String sub, int year) {
- author = auth;
- subject = sub;
- yearwritten = year;
- }
- }
-
-
-