src/main/java/koz01/java2/lab10/Clas.java

src/main/java/koz01/java2/lab10/Department.java

src/main/java/koz01/java2/lab10/Employee.java

src/main/java/koz01/java2/lab10/NonTeachingStaff.java

src/main/java/koz01/java2/lab10/Staff.java

src/main/java/koz01/java2/lab10/Teacher.java