did Customer

src/main/java/Customer.java

@@ -0,0 +1,43 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class Customer {
+
+    private String userName;
+    private String passWord;
+    private ArrayList<Customer> accountNumbers = new ArrayList<Customer>();
+    private Integer accountNum;
+
+
+    public Customer(String userName, String passWord, Integer accountNum){
+        this.userName = userName;
+        this.passWord = passWord;
+        this.accountNum = accountNum;
+    }
+
+    public String getUserName(){
+        return this.userName;
+    }
+
+    public void setUserName(String userName){
+        this.userName = userName;
+    }
+
+    public String getPassWord(){
+        return this.passWord;
+    }
+
+    public void setPassWord(String passWord){
+        this.userName = passWord;
+    }
+
+    public ArrayList<Customer> getAccountNumbers() {
+        return accountNumbers;
+    }
+
+    public void setAccountNumbers(String userName, String passWord, Integer accountNum) {
+        Customer accountNumbers = new Customer(userName, passWord, accountNum);
+        this.accountNumbers.add(accountNumbers);
+    }
+
+}