diff --git a/Zurnal/Date/Repository/GroupRepositoryImpl.cs b/Zurnal/Date/Repository/GroupRepositoryImpl.cs
index 1542f87..96dac90 100644
--- a/Zurnal/Date/Repository/GroupRepositoryImpl.cs
+++ b/Zurnal/Date/Repository/GroupRepositoryImpl.cs
@@ -1,83 +1,117 @@
-using Zurnal.domain.Models;
-using System.Diagnostics;
+using System.Diagnostics;
+using System.Linq;
+using System.Collections.Generic;
 using Zurnal.Date.LocalDate;
 using Zurnal.Date.Repository;
+using Zurnal.RemaDateBase.DateDao;
+using System.Text.RegularExpressions;
 
 namespace Zurnal.Data.Repository
 {
     [DebuggerDisplay($"{{{nameof(GetDebuggerDisplay)}(),nq}}")]
     public class GroupRepositoryImpl : IGroupRepository
     {
-        public List<GroupLocalEntity> GetAllGroups() => LocalStaticData.groups;
+        public List<GroupDao> AllGroup => GroupDao.Name.ToList();
 
-        public void AddGroup(GroupLocalEntity newGroup)
+        public IEnumerable<GroupDao> GetAllGroups()
         {
-            LocalStaticData.groups.Add(newGroup);
+            return GroupDao.Name;
         }
 
-        public void UpdateGroupName(int groupId, string newName)
-{
-    var group = LocalStaticData.groups.FirstOrDefault(g => g.Id == groupId);
-    if (group != null)
-    {
-        group.Name = newName;
-    }
-}
-
-
-        public GroupLocalEntity GetGroupById(int groupId)
+        public void AddGroup(GroupDao group)
         {
-            return LocalStaticData.groups.FirstOrDefault(g => g.Id == groupId);
+            if (group == null)
+            {
+                throw new ArgumentNullException(nameof(group));
+            }
+            GroupDao.Name.Add(group);
+        }
+
+        public void UpdateGroupName(int groupId, string name)
+        {
+            var group = GroupDao.Name.FirstOrDefault(g => g.Id == groupId);
+            if (group != null)
+            {
+                group.Name = name;
+            }
+        }
+
+        public GroupDao GetGroupById(int id)
+        {
+            return GroupDao.groups.FirstOrDefault(g => g.Id == id);
         }
 
         private static string GetDebuggerDisplay()
         {
-            return $"GroupRepository with {LocalStaticData.groups.Count} groups";
+            return $"GroupRepository with {GroupDao.groups.Count} groups";
         }
 
-        internal void AddGroup(Group group)
+        public bool RemoveGroupById(int groupId)
         {
-            throw new NotImplementedException();
+            var group = GroupDao.groups.FirstOrDefault(g => g.Id == groupId);
+            if (group != null)
+            {
+                GroupDao.groups.Remove(group);
+                return true;
+            }
+            return false;
         }
 
-        public List<GroupLocalEntity> AllGroup => throw new NotImplementedException();
-
-        public bool RemoveGroupById(int groupID)
+        public IEnumerable<GroupDao> AllGroups()
         {
-            throw new NotImplementedException();
+            return GroupDao.groups.Select(g => new GroupDao { GroupName = g.Name, Id = g.Id });
         }
 
-        public bool UpdateGroupById(int groupID, GroupLocalEntity updatedGroup)
+        public bool UpdateGroupById(int groupId, GroupDao updatedGroup)
         {
-            throw new NotImplementedException();
+            var group = GroupDao.groups.FirstOrDefault(g => g.Id == groupId);
+            if (group != null)
+            {
+                group.Name = updatedGroup.GroupName;
+                return true;
+            }
+            return false;
         }
 
-        bool IGroupRepository.AddGroup(GroupLocalEntity newGroup)
+        public void UpdateGroup(GroupDao group)
         {
-            throw new NotImplementedException();
-        }
-
-        public void AddGroupFromRegex(System.Text.RegularExpressions.Group group)
-        {
-            throw new NotImplementedException();
-        }
-
-        System.Text.RegularExpressions.Group IGroupRepository.GetGroupById(int id)
-        {
-            throw new NotImplementedException();
-        }
-
-        IEnumerable<System.Text.RegularExpressions.Group> IGroupRepository.GetAllGroups()
-        {
-            throw new NotImplementedException();
-        }
-
-        public void UpdateGroup(System.Text.RegularExpressions.Group group)
-        {
-            throw new NotImplementedException();
+            var existingGroup = GroupDao.groups.FirstOrDefault(g => g.Id == group.Id);
+            if (existingGroup != null)
+            {
+                existingGroup.Name = group.GroupName;
+            }
         }
 
         public void DeleteGroup(int id)
+        {
+            var group = GroupDao.groups.FirstOrDefault(g => g.Id == id);
+            if (group != null)
+            {
+                GroupDao.groups.Remove(group);
+            }
+        }
+
+        public bool AddGroup(GroupDao newGroup)
+        {
+            if (newGroup == null)
+            {
+                throw new ArgumentNullException(nameof(newGroup));
+            }
+            GroupDao.groups.Add(newGroup);
+            return true;
+        }
+
+        public void AddGroupFromRegex(Group group)
+        {
+            throw new NotImplementedException();
+        }
+
+        IEnumerable<Group> IGroupRepository.AllGroups()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void AddGroupFromRegex(Group group)
         {
             throw new NotImplementedException();
         }
diff --git a/Zurnal/RemaDateBase/DateDao/GroupDao.cs b/Zurnal/RemaDateBase/DateDao/GroupDao.cs
index cb3967d..a365118 100644
--- a/Zurnal/RemaDateBase/DateDao/GroupDao.cs
+++ b/Zurnal/RemaDateBase/DateDao/GroupDao.cs
@@ -2,7 +2,9 @@
 {
     public class GroupDao
 {
-	public int Id { get; set; }
+        internal static IEnumerable<GroupDao> Name;
+
+        public int Id { get; set; }
 	public required string GroupName { get; set; }
 	public IEnumerable<UserDao> Users { get; set; }
 }
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
index d39ad86..c589e4d 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+f21c9eea749518815b6e31d670ea46d546ea1377")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+d72fa803793c5d114c3eabb8fe2de04cd2042db1")]
 [assembly: System.Reflection.AssemblyProductAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
index 9b90922..1282f10 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
@@ -1 +1 @@
-1914265bd793edbfbb26abfea7e619e59449b0884ab15982620c0f061967d422
+7af827faec1f5dd576cc86e70a9c41ec992b431c5545340778b3dec093fd4ac1
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache b/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache
index b4fc97a..5ea1952 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache
@@ -1 +1 @@
-6c6720db556a4418cad2bec16d4d434fb3bb5d14252123bfac524503f5ff6976
+284ebdeb3fab184734b12e3b8ba05c6bb9ebc0011e646a87edcca3ea143abd87
diff --git a/Zurnal/tempCodeRunnerFile.cs b/Zurnal/tempCodeRunnerFile.cs
new file mode 100644
index 0000000..136305e
--- /dev/null
+++ b/Zurnal/tempCodeRunnerFile.cs
@@ -0,0 +1,9 @@
+using Zurnal.UI;
+using Zurnal.Data.Repository;
+using Zurnal.Domain.UseCase;
+
+GroupRepositoryImpl groupRepositoryImpl = new GroupRepositoryImpl();
+UserRepositoryImpl userRepositoryImpl = new UserRepositoryImpl();
+UserUseCase userUseCase = new UserUseCase(userRepositoryImpl, groupRepositoryImpl);
+
+MainMenuUI mainMenuUI = new MainMenuUI(userUseCase);
\ No newline at end of file