Update UserService.java

Signed-off-by: jeet041 <mahorjitendra@gmail.com>

src/main/java/org/springframework/samples/petclinic/UserService.java

@@ -1,14 +1,18 @@
 // File: UserService.java
 public class UserService {
     public String getUserName(int userId) {
-        return "User" + userId;
+        return "FeatureBranch_User_" + userId; // Changed logic
     }
 
     public boolean isUserActive(int userId) {
-        return true;
+        return false; // Changed logic
     }
 
     public void updateUserStatus(int userId, boolean isActive) {
-        // update logic here
+        System.out.println("Feature Branch: Updating user " + userId + " to " + (isActive ? "active" : "inactive"));
+    }
+
+    public void deactivateUser(int userId) {
+        System.out.println("Feature Branch: Deactivating user " + userId);
     }
 }