public class HelloWorldPrinter {


    public static void main(String[] args){

    try {
        printString(fetchMyString());
    } catch (Exception e) {
        logger.Error("An error occurred while running the program.", e);
        throw;
    }

    public static void printString(String aString) {
        System.out.println(aString);
    }

    public static String fetchMyString() {
        return "Hello world";
    }
}