diff --git a/src/data/examples/en/11_Objects/04_Inheritance.js b/src/data/examples/en/11_Objects/04_Inheritance.js
index 32b6a630e3..9070daa336 100644
--- a/src/data/examples/en/11_Objects/04_Inheritance.js
+++ b/src/data/examples/en/11_Objects/04_Inheritance.js
@@ -21,7 +21,7 @@ function draw() {
   spots.display();
 }
 
-class SpinArm {
+class Spin {
   constructor(x, y, s) {
     this.x = x;
     this.y = y;
@@ -32,6 +32,12 @@ class SpinArm {
   update() {
     this.angle += this.speed;
   }
+}
+
+class SpinArm extends Spin {
+  constructor(x, y, s) {
+    super(x, y, s)
+  }
 
   display() {
     strokeWeight(1);
@@ -45,17 +51,10 @@ class SpinArm {
   }
 }
 
-class SpinSpots {
+class SpinSpots extends Spin {
   constructor(x, y, s, d) {
-    this.x = x;
-    this.y = y;
-    this.speed = s;
+    super(x, y, s)
     this.dim = d;
-    this.angle = 0.0;
-  }
-
-  update() {
-    this.angle += this.speed;
   }
 
   display() {
@@ -68,4 +67,4 @@ class SpinSpots {
     ellipse(this.dim/2, 0, this.dim, this.dim);
     pop();
   }
-}
+}
\ No newline at end of file
diff --git a/src/data/examples/es/11_Objects/04_Inheritance.js b/src/data/examples/es/11_Objects/04_Inheritance.js
index d1b44272f3..b1a0af4203 100644
--- a/src/data/examples/es/11_Objects/04_Inheritance.js
+++ b/src/data/examples/es/11_Objects/04_Inheritance.js
@@ -21,7 +21,7 @@ function draw() {
   spots.display();
 }
 
-class SpinArm {
+class Spin {
   constructor(x, y, s) {
     this.x = x;
     this.y = y;
@@ -32,6 +32,12 @@ class SpinArm {
   update() {
     this.angle += this.speed;
   }
+}
+
+class SpinArm extends Spin {
+  constructor(x, y, s) {
+    super(x, y, s)
+  }
 
   display() {
     strokeWeight(1);
@@ -45,17 +51,10 @@ class SpinArm {
   }
 }
 
-class SpinSpots {
+class SpinSpots extends Spin {
   constructor(x, y, s, d) {
-    this.x = x;
-    this.y = y;
-    this.speed = s;
+    super(x, y, s)
     this.dim = d;
-    this.angle = 0.0;
-  }
-
-  update() {
-    this.angle += this.speed;
   }
 
   display() {
@@ -68,4 +67,4 @@ class SpinSpots {
     ellipse(this.dim/2, 0, this.dim, this.dim);
     pop();
   }
-}
+}
\ No newline at end of file
diff --git a/src/data/examples/ko/11_Objects/04_Inheritance.js b/src/data/examples/ko/11_Objects/04_Inheritance.js
index 12b3737c05..ab5a51bafa 100644
--- a/src/data/examples/ko/11_Objects/04_Inheritance.js
+++ b/src/data/examples/ko/11_Objects/04_Inheritance.js
@@ -21,7 +21,7 @@ function draw() {
   spots.display();
 }
 
-class SpinArm {
+class Spin {
   constructor(x, y, s) {
     this.x = x;
     this.y = y;
@@ -32,6 +32,12 @@ class SpinArm {
   update() {
     this.angle += this.speed;
   }
+}
+
+class SpinArm extends Spin {
+  constructor(x, y, s) {
+    super(x, y, s)
+  }
 
   display() {
     strokeWeight(1);
@@ -45,17 +51,10 @@ class SpinArm {
   }
 }
 
-class SpinSpots {
+class SpinSpots extends Spin {
   constructor(x, y, s, d) {
-    this.x = x;
-    this.y = y;
-    this.speed = s;
+    super(x, y, s)
     this.dim = d;
-    this.angle = 0.0;
-  }
-
-  update() {
-    this.angle += this.speed;
   }
 
   display() {
@@ -68,4 +67,4 @@ class SpinSpots {
     ellipse(this.dim/2, 0, this.dim, this.dim);
     pop();
   }
-}
+}
\ No newline at end of file
diff --git a/src/data/examples/zh-Hans/11_Objects/04_Inheritance.js b/src/data/examples/zh-Hans/11_Objects/04_Inheritance.js
index fd4681e71a..2218f3c83f 100644
--- a/src/data/examples/zh-Hans/11_Objects/04_Inheritance.js
+++ b/src/data/examples/zh-Hans/11_Objects/04_Inheritance.js
@@ -20,7 +20,7 @@ function draw() {
   spots.display();
 }
 
-class SpinArm {
+class Spin {
   constructor(x, y, s) {
     this.x = x;
     this.y = y;
@@ -31,6 +31,12 @@ class SpinArm {
   update() {
     this.angle += this.speed;
   }
+}
+
+class SpinArm extends Spin {
+  constructor(x, y, s) {
+    super(x, y, s)
+  }
 
   display() {
     strokeWeight(1);
@@ -44,17 +50,10 @@ class SpinArm {
   }
 }
 
-class SpinSpots {
+class SpinSpots extends Spin {
   constructor(x, y, s, d) {
-    this.x = x;
-    this.y = y;
-    this.speed = s;
+    super(x, y, s)
     this.dim = d;
-    this.angle = 0.0;
-  }
-
-  update() {
-    this.angle += this.speed;
   }
 
   display() {
@@ -67,4 +66,4 @@ class SpinSpots {
     ellipse(this.dim/2, 0, this.dim, this.dim);
     pop();
   }
-}
+}
\ No newline at end of file