/* * 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.lang.reflect.*;import java.awt.*;class SampleField {   public static void main(String[] args) {      GridBagConstraints g = new GridBagConstraints();      printFieldNames(g);   }   static void printFieldNames(Object o) {      Class c = o.getClass();      Field[] publicFields = c.getFields();      for (int i = 0; i < publicFields.length; i++) {         String fieldName = publicFields[i].getName();         Class typeClass = publicFields[i].getType();         String fieldType = typeClass.getName();         System.out.println("Name: " + fieldName +            ", Type: " + fieldType);         }      }}