final unit finished

cmd/main.go

+package main
+
+import "fmt"
+
+type Address struct {
+	street string
+	city   string
+}
+
+type Student struct {
+	matriculationNumber int
+	name                string
+	address             Address
+	grades              map[string]float32
+}
+
+func (a *Address) String() string {
+	return fmt.Sprintf("%s, %s", a.street, a.city)
+}
+
+func (s *Student) String() string {
+	return fmt.Sprintf("%d %s, %s", s.matriculationNumber, s.name, s.address.String())
+}
+
+func (s *Student) AddGrade(lecture string, grade float32) {
+	if s.grades == nil {
+		s.grades = make(map[string]float32)
+	}
+	s.grades[lecture] = grade
+}
+
+func (s *Student) GetOverallAverageGrade() float32 {
+	var sum float32
+	for _, grade := range s.grades {
+		sum += grade
+	}
+
+	return sum / float32(len(s.grades))
+}
+
+type SharedFlat struct {
+	address  Address
+	students []Student
+}
+
+func (s *SharedFlat) AddStudent(student Student) {
+	s.students = append(s.students, student)
+}
+
+func (s *SharedFlat) GetNames() []string {
+	var names []string
+	for _, student := range s.students {
+		names = append(names, student.String())
+	}
+
+	return names
+}
+
+func main() {
+	address := Address{
+		street: "Alteburgstraße 150",
+		city:   "72762 Reutlingen",
+	}
+
+	student := Student{
+		matriculationNumber: 7211,
+		name:                "Max Müller",
+		address:             address,
+	}
+
+	student.AddGrade("Enterprise Service Development", 1.0)
+	student.AddGrade("Software Architecture", 1.2)
+
+	fmt.Println(student.String())
+	fmt.Println("Overall Average Grade:", student.GetOverallAverageGrade())
+
+	sharedFlat := SharedFlat{
+		address: address,
+	}
+
+	sharedFlat.AddStudent(student)
+	fmt.Println(sharedFlat.GetNames())
+}

go.mod

+module gitlab.reutlingen-university.de/yesildas/go-ahead
+
+go 1.20