Data update

Task/Inheritance-Single/Groovy/inheritance-single-1.groovy

@@ -1,3 +0,0 @@
-class Animal{
-   //contents go here...
-}

Task/Inheritance-Single/Groovy/inheritance-single-2.groovy

@@ -1,3 +0,0 @@
-class Dog extends Animal{
-   //contents go here...
-}

Task/Inheritance-Single/Groovy/inheritance-single-3.groovy

@@ -1,3 +0,0 @@
-class Cat extends Animal{
-   //contents go here...
-}

Task/Inheritance-Single/Groovy/inheritance-single-4.groovy

@@ -1,3 +0,0 @@
-class Lab extends Dog{
-   //contents go here...
-}

Task/Inheritance-Single/Groovy/inheritance-single-5.groovy

@@ -1,3 +0,0 @@
-class Collie extends Dog{
-   //contents go here...
-}

Task/Inheritance-Single/Groovy/inheritance-single.groovy

@@ -0,0 +1,15 @@
+class Animal{
+   //contents go here...
+}
+class Dog extends Animal{
+   //contents go here...
+}
+class Cat extends Animal{
+   //contents go here...
+}
+class Lab extends Dog{
+   //contents go here...
+}
+class Collie extends Dog{
+   //contents go here...
+}