import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;public class Foo {    public void printAMessage() {    System.out.println(toString()+":a message");    }    public void printAnotherMessage(String theString) {        System.out.println(toString()+":another message:" + theString);    }    public static void main(String[] args) {        Class c = null;        try {            c = Class.forName("Foo");            Method method1 = c.getDeclaredMethod("printAMessage", new Class[]{});            Method method2 = c.getDeclaredMethod("printAnotherMessage", new Class[]{String.class});            Object o = c.newInstance();            System.out.println("this is my instance:" + o.toString());            method1.invoke(o);            method2.invoke(o, "this is my message, from a config file, of course");        } catch (ClassNotFoundException e) {            e.printStackTrace();        } catch (NoSuchMethodException nsme){            nsme.printStackTrace();        } catch (IllegalAccessException iae) {            iae.printStackTrace();        } catch (InstantiationException ie) {            ie.printStackTrace();        } catch (InvocationTargetException ite) {            ite.printStackTrace();        }    }}