스트림 관련 코딩 package chapter12; import java.util.ArrayList; import java.util.List; public class TravelTest { public static void main(String[] args) { TravelCustomer customerLee = new TravelCustomer("이순신",40,100); TravelCustomer customerKim = new TravelCustomer("김유신",20,100); TravelCustomer customerHong = new TravelCustomer("홍길동",13,50); List customerList = new ArrayList(); customerList.add(customer..
