Displaying information about the animals

Personal/Interfaces/Animals/Helper.java

@@ -0,0 +1,32 @@
+public class Helper {
+    
+    private final Animal[] animals;
+    private double averagePrice;
+
+    public Helper(Animal[] animals) {
+        this.animals = animals;
+    }
+
+    public void displayInformation() {
+
+        int total = 0;
+        double sum = 0.0;
+        for (Animal animal : animals) {
+            StringBuilder stringBuilder = new StringBuilder();
+
+            stringBuilder.append("\n\nName: " + animal.animalName());
+            stringBuilder.append("\nSound: " + animal.animalSound());
+            stringBuilder.append("\nPrice: £" + animal.animalPrice());
+
+            System.out.println(stringBuilder.toString());
+
+            total++;
+            sum += animal.animalPrice();
+        }
+        averagePrice = sum / total;
+    }
+
+    public void displayAveragePrice() {
+        System.out.printf("\nThe Average Price For All The Animals Are: £%.2f", averagePrice);
+    }
+}