Default value

declarativex_defaultvalue.java

     results= Try.from(()->newsService.downloadFromNyTimes(topic))
                        .or(()->newsService.downloadFromHerald(topic))
                        .or(()->newsService.downloadFromSun(topic))
                        .get();


        // since the for the above case it will be null

        // if you would like to get default value 
        
        results= Try.from(()->newsService.downloadFromNyTimes(topic))
                .or(()->newsService.downloadFromHerald(topic))
                .or(()->newsService.downloadFromSun(topic))
                .orElseGet(Arrays.asList("Default News for topic x","Default News for topic Y"));