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Customer.java

@@ -0,0 +1,58 @@
+package com.ecommerce;
+
+import java.util.ArrayList;
+
+public class Customer {
+    // id counter used to make the id increases each time there is more customer had added
+    private static int idCounter = 0;
+    // id variable is the id
+    private int id;
+    private String name;
+    private ArrayList<Product> shoppingCart;
+
+
+    public Customer(String name){
+
+        idCounter++;
+        setName(name);
+        shoppingCart = new ArrayList<>();
+        id = idCounter;
+    }
+
+
+    public int getId() {
+        return id;
+    }
+
+
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        if(isAlpha(name)) {
+            this.name = name;
+        }
+    }
+
+
+    public ArrayList<Product> getShoppingCart() {
+        return shoppingCart;
+    }
+
+    // to add the product to the customer's shopping cart
+    public void addToShoppingCart(Product product) {
+        this.shoppingCart.add(product);
+    }
+
+
+    public static boolean isAlpha(String n){
+        for(int i = 0; i<n.length(); i++){
+            if (!Character.isLetter(n.charAt(i))){
+                return false;
+            }
+        }
+        return true;
+    }
+}