diff --git a/ZCppMain/ZtCArray.H b/ZCppMain/ZtCArray.H
index 3cca7d7..f689c9d 100644
--- a/ZCppMain/ZtCArray.H
+++ b/ZCppMain/ZtCArray.H
@@ -394,29 +394,14 @@ namespace ZNsMain
         operator Type&()*/
 
 
-        void push_back(TypeArg AR_TypeArg)
-        {
-            AddTail(AR_TypeArg);
-        }/*
-        void push_back(TypeArg AR_TypeArg)*/
+        void push_front(TypeArg AR_TypeArg){AddHead(AR_TypeArg);}
+        void push_back (TypeArg AR_TypeArg){AddTail(AR_TypeArg);}
 
-        Type& push_back()
-        {
-            return AddTail();
-        }/*
-        Type& push_back()*/
+        Type& push_front(){return AddHead();}
+        Type& push_back (){return AddTail();}
 
-        ZCIterator begin()
-        {
-            return ZCIterator(*this);
-        }/*
-        ZCIterator begin()*/
-
-        const ZCIterator begin() const
-        {
-            return ZCIterator(*this);
-        }/*
-        const ZCIterator begin() const*/
+        ZCIterator begin()      {return ZCIterator(*this);}
+  const ZCIterator begin() const{return ZCIterator(*this);}
 
 
         template<typename TFunctor> void IterElement(TFunctor AO_Functor)
@@ -428,7 +413,7 @@ namespace ZNsMain
                 ZNsMain::ZtCTypeData<TFunctor>::
                     GetObjRef(AO_Functor)( *VP_TypeArr );
 
-                ++VP_TypeArr;
+                ++VP_TypeArr; //////////////////
 
                 /*  ZtCTypeData 으로 인해서, AO_Functor 이 함수일 때뿐이 아니라,
                     operator() 연산자를 가진 object 포인터일 때도 사용할 수 있게 되었다. */
@@ -827,13 +812,168 @@ namespace ZNsMain
     class ZtCArray /////////////////////////*/
 
 
-    //////////////////////////////////////////////
+    ///////////////////////////////////////////////
 
     ////////////// end class ZCArray //////////////
 
-    //////////////////////////////////////////////
+    ///////////////////////////////////////////////
 
 
+    namespace ZNsExam
+    {
+
+        template<typename TDummy=void*> class ZtCExamArray
+        {
+        public:
+
+        #ifndef _WIN
+
+            class CHelpObj
+            {
+            public:
+
+                CHelpObj()
+                {
+                }
+
+                CHelpObj(const CHelpObj& rhs)
+                {
+                    cout<<"* CHelpObj(const CHelpObj& rhs)"<<endl;
+                }
+
+            public:
+            };  CHelpObj VO_CHelpObj; cout<<"VO_CHelpObj Ptr : "<<&VO_CHelpObj<<endl;
+
+            struct StFunctor
+            {
+                static void ShowElement(int ArgiValue){cout<<"#1 Value="<<ArgiValue<<endl;}
+            };
+            struct StFunctor2
+            {
+                static void ShowElement(int ArgiValue, CHelpObj)
+                    {cout<<"#2 Value="<<ArgiValue<<", CHelpObj Addr=None"<<" With CHelpObj"<<endl;}
+            };
+            struct StFunctor3
+            {
+                static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj)
+                    {cout<<"#3 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj Ref"<<endl;}
+            };
+            struct StFunctor4
+            {
+                static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj)
+                    {cout<<"#4 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj in Ptr"<<endl;}
+            };
+            struct StFunctor5
+            {
+                static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj, CHelpObj& AR_CHelpObj2)
+                    {cout<<"#5 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj Ref 2"<<endl;}
+            };
+            struct StFunctor6
+            {
+                static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj, CHelpObj AO_CHelpObj2)
+                    {cout<<"#6 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj Half Ref"<<endl;}
+            };
+
+        #endif //#ifndef _WIN
+
+
+            static int Main(int AI_ArgCnt=0, char* APP_ArgVal[]=0)
+            {
+                using namespace std    ;
+                using namespace ZNsMain;
+
+                typedef ZtCArray<int>    CArray  ;
+                typedef CArray::IterEasy IterEasy;
+
+
+                CArray VO_Array;
+
+                VO_Array.AddTail(10);
+                VO_Array.AddTail(20);
+                VO_Array.AddTail(30);
+                VO_Array.AddTail(40);
+
+
+            #ifdef _WIN
+
+                class CHelpObj
+                {
+                public:
+
+                    CHelpObj()
+                    {
+                    }
+
+                    CHelpObj(const CHelpObj& rhs)
+                    {
+                        cout<<"* CHelpObj(const CHelpObj& rhs)"<<endl;
+                    }
+
+                public:
+                };  CHelpObj VO_CHelpObj; cout<<"VO_CHelpObj Ptr : "<<&VO_CHelpObj<<endl;
+
+                struct StFunctor
+                {
+                    static void ShowElement(int ArgiValue){cout<<"#1 Value="<<ArgiValue<<endl;}
+                };
+                struct StFunctor2
+                {
+                    static void ShowElement(int ArgiValue, CHelpObj)
+                        {cout<<"#2 Value="<<ArgiValue<<", CHelpObj Addr=None"<<" With CHelpObj"<<endl;}
+                };
+                struct StFunctor3
+                {
+                    static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj)
+                        {cout<<"#3 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj Ref"<<endl;}
+                };
+                struct StFunctor4
+                {
+                    static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj)
+                        {cout<<"#4 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj in Ptr"<<endl;}
+                };
+                struct StFunctor5
+                {
+                    static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj, CHelpObj& AR_CHelpObj2)
+                        {cout<<"#5 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj Ref 2"<<endl;}
+                };
+                struct StFunctor6
+                {
+                    static void ShowElement(int ArgiValue, CHelpObj& AR_CHelpObj, CHelpObj AO_CHelpObj2)
+                        {cout<<"#6 Value="<<ArgiValue<<", HelpObj Ptr="<<&AR_CHelpObj<<" With CHelpObj Half Ref"<<endl;}
+                };
+
+            #endif //_WIN
+
+                VO_Array.IterElement(StFunctor ::ShowElement);
+                VO_Array.IterElement(StFunctor2::ShowElement, VO_CHelpObj );
+                VO_Array.IterElement(StFunctor3::ShowElement, ZftMCR(VO_CHelpObj) );
+                VO_Array.IterElement(StFunctor4::ShowElement, ZftMCP(VO_CHelpObj) );
+                VO_Array.IterElement(StFunctor5::ShowElement, ZftMCP(VO_CHelpObj), ZftMCP(VO_CHelpObj) );
+                VO_Array.IterElement(StFunctor6::ShowElement, ZftMCP(VO_CHelpObj),        VO_CHelpObj  );
+
+
+                IterEasy VH_Iter = VO_Array.ItHEasy();
+
+                __for1(int, i, VO_Array.size())
+                {
+                    cout<<i<<"th value="<<
+                        VO_Array.ItD(VH_Iter)<<endl;
+
+                    VO_Array.ItNext(VH_Iter);
+                }
+                ///////////////////////////////
+
+                return 0;
+            }/*
+            static int Main(int AI_ArgCnt=0, char* APP_ArgVal[]=0)*/
+
+        public:
+        };/*
+        template<typename TDummy=void*> class ZtCExamArray*/
+
+    }/*
+    namespace ZNsExam*/
+
 
     /*////////////////////////////////////////////////////////////////////