Extra comments

T5Q2-C/src/Main.java

@@ -3,7 +3,6 @@ public class Main {
         // I - Doesn't work because downcast needs to be explicitly declared
 //        ClassC c = new ClassD();
 //        ClassE e = c;
-//        ClassE e = (ClassE) c;
 
         // II - Can´t upcast because they are from different family branches
 //        ClassB b = new ClassE();
@@ -14,21 +13,18 @@ public class Main {
 //        a.print(12, "there"); // Ok
 //        a.print(88); // Compilation error
 
-        // IV - We do not have access to a print(String) from the ref C, even though it was downcasted to the obj G
-        // ObjectType <- ReferenceType
-        // Compiler always keep tracking of ObjectType
-        // While only during Runtime that we will check and execute the ReferenceType
+        // IV -
 //        ClassA a = new ClassC(); // Ok -> Upcast A<-C
-//        ClassG g = (ClassG)a; // Ok -> Downcast G<-(A<-C)
-//        g.print("hello"); // RunTime error: trick
-        // Upcast is prone to Compiler error
+//        ClassG g = (ClassG)a; // Compile Error on some JDKs -> Downcast G<-(A<-C)
+//        g.print("hello"); // RunTime error
+        // Upcast is prone to Compiler error and Runtime error
         // Downcast is prone to Runtime error
 
 
         // V - We lost track of the print(string, string) in C become it become a A first
 //        ClassA a = new ClassC(); // ok
-//        ClassG g = (ClassG)a; // ok
-//        g.print("hello", "there"); // Runtime error: trick
+//        ClassG g = (ClassG)a; // Compile Error on some JDKs
+//        g.print("hello", "there"); // Runtime error
 
         // VI
 //        ClassA a = new ClassF(); // OK