Buisness logic docs updated

buisnesslogic/src/main/java/com/plannaplan/services/CourseService.java

@@ -10,7 +10,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 /**
- *  Service of CourseService which can get(Course By Name, All Courses, Courses Ammount ), save, delete course.
+ * Service of CourseService which can get(Course By Name, All Courses, Courses
+ * Ammount ), save, delete course.
  */
 
 @Service
@@ -18,42 +19,46 @@ public class CourseService {
     @Autowired
     private CourseRepository repo;
 
-    /*
+    /**
      * getCourseByName
-     * Return Course By Name
+     * 
+     * @param name
+     * @return Course By Name
      */
     public Optional<Course> getCourseByName(String name) {
         return this.repo.findByName(name);
     }
 
-    /*
-     * getAllCourses
-     * Return List of get courses
+    /**
+     * 
+     * @return all courses from db
      */
     public List<Course> getAllCourses() {
         return this.repo.findAll();
     }
 
-    /*
-     * save
+    /**
+     * save to db
+     * 
      * @param course which course you would like to save
+     * @return Course instance with id from db
      */
     public Course save(Course course) {
         this.repo.save(course);
         return course;
     }
 
-    /*
-     * delete
+    /**
+     * delete course from db
+     * 
      * @param course which course you would like to delete
      */
     public void delete(Course course) {
         this.repo.delete(course);
     }
 
-    /*
-     * getCoursesAmmount
-     * Return a ammount of courses
+    /**
+     * @return ammount of courses in db
      */
     public int getCoursesAmmount() {
         return (int) this.repo.count();