public class Example
{
	public static void main(String[] args) throws Exception
	{
		MBeanServer server = ManagementFactory.getPlatformMBeanServer();

		// Suppose the following is an object name associated with an existing managed domain instance.
		ObjectName objectName = ...;

		MBeanInfo mbeanMetadata = server.getMBeanInfo(objectName);

		// List all attributes (metadata, not values)
		for (MBeanAttributeInfo attribute : mbeanMetadata.getAttributes())
		{
			System.out.println("Name : "+attribute.getName());
			System.out.println("Description : "+attribute.getDescription());
			System.out.println("Type : "+attribute.getType());
			System.out.println("Is Readable : "+attribute.isReadable());
			System.out.println("Is Writable : "+attribute.isWritable());
		}
	}
}

public class Example
{
	public static void main(String[] args) throws Exception
	{
		MBeanServer server = ManagementFactory.getPlatformMBeanServer();

		// Suppose that this is an object name corresponding to a valid managed domain instance.
		ObjectName objectName = ...;

		// Suppose the mbean has an attribute (a statistic in this case) PendingMessagesCount
		Long attributeValue = (Long) server.getAttribute(objectName, "PendingMessagesCount");

		System.out.println("Attribute Value : "+attributeValue);
	}
}

public class Example
{
	public static void main(String[] args) throws Exception
	{
		MBeanServer server = ManagementFactory.getPlatformMBeanServer();

		// Suppose that this is an object name corresponding to a valid managed domain instance.
		ObjectName objectName = ...;

		// Suppose we want to set a value of 30000 for "MgmtPubInterval" attribute.
                Attribute attribute = new Attribute("MgmtPubInterval",new Long(3000));
		server.setAttribute(objectName, attribute);
	}
}

public class Example
{
	public static void main(String[] args) throws Exception
	{
		MBeanServer server = ManagementFactory.getPlatformMBeanServer();

		// Suppose that this is an object name corresponding to a valid managed domain instance.
		ObjectName objectName = new ObjectName("A:N=1");

		// Suppose the mbean has an operation
		// public int purge(int request)
		try
		{
			String outputParameterName = "result";

			String operationName = "purge";
			Object [] parameters = new Object[]{1235};
			String [] signature = new String[]{int.class.getName()};

			InvocationResult result =  (InvocationResultserver.invoke(
                                         objectName,
                                         operationName,
                                         parameters,
                                         signature);

			// Output parameters map
			Map<String,Object> outputSection = result.getOutputSection();

			// Output parameter
			Integer outputParameter = (Integer) outputSection.get(outputParameterName);

			System.out.println("Output parameter : "+outputParameter);

		} catch (MBeanException exception)
		{
                        Exception nested = exception.getTargetException();
                        if (nested instanceof MethodInvocationException)
			{
				MethodInvocationException invocationException = (MethodInvocationException) nested;
				System.out.println("Status Code : "+invocationException.getReturnCode());
				System.out.println("Status Text : "+invocationException.getStatusText());
			}
		}
	}
}