Added missing files

HelloDate.java

@@ -0,0 +1,10 @@
+// HelloDate.java
+// ©2015 MindView LLC: see Copyright.txt
+import java.util.*;
+
+public class HelloDate {
+  public static void main(String[] args) {
+    System.out.println("Hello, it's: ");
+    System.out.println(new Date());
+  }
+}

hiding/foreign/Foreign.java

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+// hiding/foreign/Foreign.java
+// ©2015 MindView LLC: see Copyright.txt
+// {CompileTimeError} (Won't compile)
+package hiding.foreign;
+import hiding.local.*;
+
+public class Foreign {
+   public static void main(String[] args) {
+      PackagedClass pc = new PackagedClass();
+   }
+}

hiding/local/PackagedClass.java

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+// hiding/local/PackagedClass.java
+// ©2015 MindView LLC: see Copyright.txt
+package hiding.local;
+
+class PackagedClass {
+  public PackagedClass() {
+    System.out.println("Creating a packaged class");
+  }
+}