/** Heya this is Yen, I code backend for problem solving*/objectSkillAppextendsApp {// Define a function to describe the skilldefdescribeSkill(skill:Skill):String= skillmatch {caseBackendDevelopment(name)=>s"$name involves building backend services with JVM and Python."caseDataEngineering(name)=>s"$name focuses on big data, streaming, and data platform development."caseSystemArchitecture(name)=>s"$name includes system design and product ownership."case _=>"Other awesome skills!"  }// Using the case classesvalbackendDev=BackendDevelopment("Backend Development")valdataEng=DataEngineering("Data Engineering")valsysArch=SystemArchitecture("System Architecture")}