SampleSet.java Source code

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Here is the source code for SampleSet.java

Source

/* From http://java.sun.com/docs/books/tutorial/index.html */

/*
 * Copyright (c) 1995-1998 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.
 */

import java.awt.Rectangle;
import java.lang.reflect.Field;

public class SampleSet {

    public static void main(String[] args) {
        Rectangle r = new Rectangle(100, 20);
        System.out.println("original: " + r.toString());
        modifyWidth(r, new Integer(300));
        System.out.println("modified: " + r.toString());
    }

    static void modifyWidth(Rectangle r, Integer widthParam) {
        Field widthField;
        Integer widthValue;
        Class c = r.getClass();
        try {
            widthField = c.getField("width");
            widthField.set(r, widthParam);
        } catch (NoSuchFieldException e) {
            System.out.println(e);
        } catch (IllegalAccessException e) {
            System.out.println(e);
        }
    }
}