TheintroductionoffunctionalprogrammingconceptsinJavaSE8wasadrasticchangeforthisvenerableobject-orientedlanguage.Lambdaexpressions,methodreferences,andstreamsfundamentallychangedtheidiomsofthelanguage,andmanydevelopershavebeentryingtocatchupeversince.Thiscookbookwillhelp.Withmorethan7