in progress for sure

src/main/java/rocks/zipcode/io/quiz4/collections/SimpleStringGroup.java

@@ -1,12 +1,15 @@
 package rocks.zipcode.io.quiz4.collections;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Spliterator;
+import java.util.function.Consumer;
 
 /**
  * @author leon on 11/12/2018.
  */
-public class SimpleStringGroup {
+public class SimpleStringGroup implements Iterable {
     List<String> stringGroup;
 
     public SimpleStringGroup() {
@@ -36,4 +39,19 @@ public class SimpleStringGroup {
     public void clear() {
         stringGroup.clear();
     }
+
+    @Override
+    public Iterator iterator() {
+        return this.iterator();
+    }
+
+    @Override
+    public void forEach(Consumer action) {
+        this.stringGroup.forEach(action);
+    }
+
+    @Override
+    public Spliterator spliterator() {
+        return null;
+    }
 }