Class<?> myClass = Class.forName("com.example.MyClass"); Constructor<?> constructor = myClass.getConstructor(); Object myObject = constructor.newInstance(); properties class.name=com.example.MyClass Properties properties = new Properties(); InputStream inputStream = MyClass.class.getClassLoader().getResourceAsStream("config.properties"); properties.load(inputStream); String className = properties.getProperty("class.name"); Class<?> myClass = Class.forName(className); Constructor<?> constructor = myClass.getConstructor(); Object myObject = constructor.newInstance();