package com.javatechie; import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream; public class EkartDataBase { public static List getAll() { return Stream.of( new Customer(101, "john", "john@gmail.com", Arrays.asList("397937955", "21654725")), new Customer(102, "smith", "smith@gmail.com", Arrays.asList("89563865", "2487238947")), new Customer(103, "peter", "peter@gmail.com", Arrays.asList("38946328654", "3286487236")), new Customer(104, "kely", "kely@gmail.com", Arrays.asList("389246829364", "948609467")) ).collect(Collectors.toList()); } }