Data commit

Task/Scope-modifiers/C-sharp/scope-modifiers-1.cs

@@ -0,0 +1,18 @@
+public //visible to anything.
+protected //visible to current class and to derived classes.
+internal //visible to anything inside the same assembly (.dll/.exe).
+protected internal //visible to anything inside the same assembly and also to derived classes outside the assembly.
+private //visible only to the current class.
+//C# 7.2 adds:
+private protected //visible to current class and to derived classes inside the same assembly.
+
+//                   |       |     subclass     |    other class   ||     subclass     |    other class
+//Modifier           | class | in same assembly | in same assembly || outside assembly | outside assembly
+//-------------------------------------------------------------------------------------------------------
+//public             |  Yes  |        Yes       |        Yes       ||        Yes       |       Yes
+//protected internal |  Yes  |        Yes       |        Yes       ||        Yes       |       No
+//protected          |  Yes  |        Yes       |        No        ||        Yes       |       No
+//internal           |  Yes  |        Yes       |        Yes       ||        No        |       No
+//private            |  Yes  |        No        |        No        ||        No        |       No
+// C# 7.2:
+//private protected  |  Yes  |        Yes       |        No        ||        No        |       No

Task/Scope-modifiers/C-sharp/scope-modifiers-2.cs

@@ -0,0 +1,21 @@
+public interface IPrinter
+{
+    void Print();
+}
+
+public class IntPrinter : IPrinter
+{
+    void IPrinter.Print() { // explicit implementation
+        Console.WriteLine(123);
+    }
+
+    public static void Main() {
+        //====Error====
+        IntPrinter p = new IntPrinter();
+        p.Print();
+
+        //====Valid====
+        IPrinter p = new IntPrinter();
+        p.Print();
+    }
+}