updated classes

Meal.java

@@ -0,0 +1,31 @@
+
+import java.util.ArrayList;
+
+
+public class Meal {
+  ArrayList<Item>items = new ArrayList<>();
+    double totalPrice;
+    public Meal(ArrayList<Item> items) {
+        this.items = items;
+        for (Item item : items) {
+            totalPrice += item.price ;
+        }
+    }  
+
+    public ArrayList<Item> getItems() {
+        return items;
+    }
+
+    public double getTotalPrice() {
+        return totalPrice;
+    }
+
+    public void setItems(ArrayList<Item> items) {
+        this.items = items;
+    }
+
+    public void setTotalPrice(double totalPrice) {
+        this.totalPrice = totalPrice;
+    }
+     
+}