java callback closure with argument

    public interface nodeProcessCallback {void run(Element item);}

    protected void processNodes(String tagName, nodeProcessCallback callback) {
        ....
        callback.run(item);
        ....
    }

    private void processTable(Element item){
        ....
    }

    public void execute() throws Exception {
        ....
        // send processTable as callback:
        processNodes("TABLE", (item) -> processTable(item));
        ....
    }