commit

student-managment-app/data-model/src/main/java/student/managment/app/entities/Course.java

@@ -45,6 +45,7 @@ public class Course {
         return students;
     }
     public double getAverageGrade() {
+        //stream is not really precise or is really precise .average();
         return this.getStudents()
                 .values()
                 .stream()

student-managment-app/data-model/src/main/java/student/managment/app/entities/Student.java

@@ -48,6 +48,8 @@ public class Student {
     }
 
     public double getTotalAverageGrade() {
+        //stream is not really precise or is really precise .average();
+        //if used with 5.21, 4.19 it converts average to 4.000132;
         return
                 this.studentsGrades
                         .values().stream()
@@ -58,6 +60,7 @@ public class Student {
     }
 
     public double getAverageGradeForCourse(Course course) {
+        //stream is not really precise or is really precise .average();
         return
                 this.studentsGrades
                         .entrySet()