// The following code dynamically does
// new Dyna().setName("Matt");
// using reflection.
// It is quite a production, and is quite slow.

String methodName = "setName";
String someData = "Matt";
Class dynaclass = Class.forName( "Dyna" );

// method accepts parameters, define the types in order here as Class[]
Class[] classParams = new Class [] { String. class}; // set the method of the class object
Method someMethod = dynaclass.getMethod( methodName, classParams );

// pass values to fill parameters of method
Object[] arguments = new Object [] { someData}; // invoke method via reflection
someMethod.invoke( dynaclass.newInstance(), arguments );