package org.jboss.book.jmx.xmbean;import javax.management.Attribute;import javax.management.ObjectName;import javax.naming.InitialContext;import org.jboss.jmx.adaptor.rmi.RMIAdaptor;/** A client that demonstrates the persistence of the xmbean attributes. Every time it it run it looks up the InitialValues attribute, prints it out and then adds a new key/value to the list. @author Scott.Stark@jboss.org @version $Revision: 1.1 $ */public class TestXMBeanRestart{   /**    * @param args the command line arguments    */   public static void main(String[] args) throws Exception   {      InitialContext ic = new InitialContext();      RMIAdaptor server = (RMIAdaptor) ic.lookup("jmx/invoker/RMIAdaptor");      // Get the InitialValues attribute      ObjectName name = new ObjectName("chap2.xmbean:service=JNDIMap");      String[] initialValues = (String[]) server.getAttribute(name, "InitialValues");      System.out.println("InitialValues.length="+initialValues.length);      int length = initialValues.length;      for(int n = 0; n < length; n += 2)      {         String key = initialValues[n];         String value = initialValues[n+1];         System.out.println("key="+key+", value="+value);      }      // Add a new key/value pair      String[] newInitialValues = new String[length+2];      System.arraycopy(initialValues, 0, newInitialValues, 0, length);      newInitialValues[length] = "key"+(length/2+1);      newInitialValues[length+1] = "value"+(length/2+1);      Attribute ivalues = new Attribute("InitialValues", newInitialValues);      server.setAttribute(name, ivalues);   }}