Изменение делегата

src/main/java/Delegator.java

@@ -1,24 +1,40 @@
 import java.lang.reflect.Method;
-import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.Queue;
 
 
 public class Delegator<T> {
-    private HashMap<Method, Object> methods = new HashMap<>();
+    private Queue<ArrayList<Object>> methods2 = new LinkedList<>();
 
     public void add(Method method_ref, Object consumer) {
-        methods.put(method_ref, consumer);
+        ArrayList<Object> element = new ArrayList<>();
+        element.add(method_ref);
+        element.add(consumer);
+        methods2.add(element);
     }
 
-    public void remove(Object method_ref) {
-        methods.remove(method_ref);
+    public void remove(Method method_ref) {
+        var element = methods2.peek();
+        while (element != null) {
+            if (element.contains(method_ref)) {
+                methods2.remove(element);
+                break;
+            }
+        }
+
     }
 
     public void invoke(T arg) {
         try {
-            Method method = methods.keySet().stream().toList().get(0);
-            FormMapWithArmoredCars consumer = (FormMapWithArmoredCars) methods.get(method);
-            method.setAccessible(true);
-            method.invoke(consumer, arg);
+            // должны вызывать все добавленные ранее методы по очереди
+            var element = methods2.poll();
+            while (element != null) {
+                Method method = (Method) element.get(0);
+                method.setAccessible(true);
+                method.invoke(element.get(1), arg);
+                element = methods2.poll();
+            }
         }
         catch (Exception e) {
             e.printStackTrace();