Change to lambda

application/module-language-school/src/main/java/org/fuseri/modulelanguageschool/user/UserFacade.java

@@ -68,11 +68,11 @@ public class UserFacade {
     }
 
     public List<CourseDto> getEnrolled(Long id) {
-        return service.getEnrolled(id).stream().map(x -> courseMapper.mapToDto(x)).collect(Collectors.toList());
+        return service.getEnrolled(id).stream().map(courseMapper::mapToDto).collect(Collectors.toList());
     }
 
     public List<CourseDto> getFinished(Long id) {
-        return service.getFinished(id).stream().map(x -> courseMapper.mapToDto(x)).collect(Collectors.toList());
+        return service.getFinished(id).stream().map(courseMapper::mapToDto).collect(Collectors.toList());
     }
 
 }