Tracking application states
Managing different states, such as success or error responses, is essential in real-world applications. You'll practice defining enums and custom methods to organize and display various application states clearly.
Diese Übung ist Teil des Kurses
Input/Output and Streams in Java
Anleitung zur Übung
- Add a method
isActiveUser()that returnstrueonly for theACTIVEstate. - Create a user in
SUSPENDEDstate namedsuspendUser - Create a user in
ACTIVEstate namedactiveUser - Check if
suspendUseris an active user
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
public class UserStateManager {
enum UserState {
NEW, ACTIVE, SUSPENDED;
public boolean isActiveUser() {
// return if user is in ACTIVE state
return this == ____;
}
}
public static void main(String[] args) {
// Create a UserState with SUSPENDED status
UserState suspendUser = ____.____;
// Create a UserState with ACTIVE status
UserState activeUser = ____.____;
// check if suspendUser is an active user
System.out.println(suspendUser.____());
System.out.println(activeUser.isActiveUser());
}
}