/* * 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.*;class SampleInvoke {   public static void main(String[] args) {      String firstWord = "Hello ";      String secondWord = "everybody.";      String bothWords = append(firstWord, secondWord);      System.out.println(bothWords);   }   public static String append(String firstWord, String secondWord) {      String result = null;      Class c = String.class;      Class[] parameterTypes = new Class[] {String.class};      Method concatMethod;      Object[] arguments = new Object[] {secondWord};      try {        concatMethod = c.getMethod("concat", parameterTypes);        result = (String) concatMethod.invoke(firstWord, arguments);      } catch (NoSuchMethodException e) {          System.out.println(e);      } catch (IllegalAccessException e) {          System.out.println(e);      } catch (InvocationTargetException e) {          System.out.println(e);      }      return result;   }}