refactoring: moving initializeDummyData to Administration class

src/main/java/org/example/Administration.java

@@ -359,6 +359,25 @@ public class Administration {
         }
         return false;
     }
+    public void initializeDummyData(){
+        Student student1 = new Student("Mark", "S1001", "Student");
+        Student student2 = new Student("Gustavo", "S1002", "Student");
+        this.addStudents(student1);
+        this.addStudents(student2);
+        Professor prof1 = new Professor("Joachim", "P1001", "Professor");
+        Professor prof2 = new Professor("Herbert", "P1002", "Professor");
+        this.addProfessor(prof1);
+        this.addProfessor(prof2);
+        Admin admin1 = new Admin ("Peter", "A1001", "Admin");
+        Admin admin2 = new Admin ("Martin", "A1002", "Admin");
+        this.addAdmin(admin1);
+        this.addAdmin(admin2);
+        Course course1 = new Course("MathDUMMY", "CDUMMY1", 5);
+        Course course2 = new Course("EnglishDUMMY", "CDUMMY2", 6);
+        this.addCourse(course1);
+        this.addCourse(course2);
+
+    }
 
 }
 

src/main/java/org/example/Main.java

@@ -48,32 +48,16 @@ public class Main {
                     break;
 
                 case 7:
-                    System.out.println("Dummy data initialized.");
-
-                    Student student1 = new Student("Mark", "S1001", "Student");
-                    Student student2 = new Student("Sebastian", "S1002", "Student");
-                    administration.addStudents(student1);
-                    administration.addStudents(student2);
-                    Professor prof1 = new Professor("Joachim", "P1001", "Professor");
-                    Professor prof2 = new Professor("Herbert", "P1002", "Professor");
-                    administration.addProfessor(prof1);
-                    administration.addProfessor(prof2);
-                    Admin admin1 = new Admin ("Peter", "A1001", "Admin");
-                    Admin admin2 = new Admin ("Martin", "A1002", "Admin");
-                    administration.addAdmin(admin1);
-                    administration.addAdmin(admin2);
-                    Course.addCourse("Math", "C1001", 5, "courseData.txt");
-                    Course.addCourse("English", "C1002", 6, "courseData.txt");
-
-                    DummyDataExists = true;
+                    if(!DummyDataExists){
+                        administration.initializeDummyData();
+                        System.out.println("Dummy data initialized.");
 
+                    }
+                    else{System.out.println("Dummy Data could already exists");}
                     break;
 
                 case 8:
-                    if (DummyDataExists){
-                        Course.deleteCourse("courseData.txt");
-                        Course.deleteCourse("courseData.txt");
-                    }
+
                     exit = true;
                     System.out.println("Exiting...");
                     break;