public abstract AbstractClass {
    private Logger logger = LoggerFactory.getLogger(getClass());

    public AbstractClass() {}

    public void execute(ContextObject context) {
        if (logger.debuggingEnabled()) {
            String invokingClassName = ""; // <-- how do I get this?
            logger.debug("Executing {}", invokingClassName);
        }
        // shared application logic is here...
    }
}

public MyClass extends AbstractClass {
    public MyClass() {}

    @Override
    public void execute(ContextObject context) {
        super.execute(context);
        // application logic...
    }
}

public void execute(ContextObject context) {
    if (logger.debuggingEnabled()) {
        String invokingClassName = ""; // <-- how do I get this?
        logger.debug("Executing {}", this.getClass().getName());
    }
    // shared application logic is here...
}

private Logger logger = LoggerFactory.getLogger(getClass());