You are given a spring boot application $($version $2\mathrm{.}0\mathrm{.}5)$ with spring$-$boot$-$starter$-$data$-$jpa and lombok dependencies.Database access is fully confiugred $($h$2$ database is used$).$The application is compiled using JDK$.$ArticleDTO, as used the code,is defined as follows:

class ArticleDTO$\{$