Replace User.java

src/main/java/inf226/inchat/User.java

@@ -6,20 +6,20 @@ import java.time.Instant;
  * about a user.
  **/
 public final class User {
-    public final String name;
+    public final UserName name;
     public final Instant joined;
 
-    public User(String name,
-                Instant joined) {
+    public User(UserName name, Instant joined) {
         this.name = name;
         this.joined = joined;
     }
-    
+
     /**
      * Create a new user.
      */
     public static User create(String name) {
-        return new User(name, Instant.now());
+        UserName newUser = new UserName(name);
+        return new User(newUser, Instant.now());
     }
 }