You can also invoke methods inside the created object.
You can create object instant by invoking the first constractor and then invoke the first method in the created object.
Class<?> c = Class.forName("mypackage.MyClass");
Constructor<?> ctor = c.getConstructors()[0];
Object object=ctor.newInstance(new Object[]{"ContstractorArgs"});
c.getDeclaredMethods()[0].invoke(object,Object... MethodArgs);