public class UserManager { public void add(User user) { System.out.println("\n" + user.getFirstName() + " " + user.getLastName() + " added to system as " + user.getUserType() + "."); } public void addMultiple(User[] users) { for (User user : users) { add(user); } } public void remove(User user) { System.out.println("\n" + user.getUserType() + " " + user.getFirstName() + " " + user.getLastName() + " has been removed."); } public void removeMultiple(User[] users) { for (User user : users) { remove(user); } } public void update(User user) { System.out.println("\n" + user.getUserType() + " " + user.getFirstName() + " " + user.getLastName() + " is successfully updated."); } public void updateMultiple(User[] users) { for (User user : users) { update(user); } } public void getAll(User[] users) { for (User user : users) { System.out.println("\nUser ID: " + user.getId() + "\nFirst & Last Name: " + user.getFirstName() + " " + user.getLastName() + "\nCourse: " + user.getCourse() + "\nUser Status: " + user.getUserType()); } } }