m0_47720680的博客

一、定义一个抽象建造者类 二、创建一个产品类 package com.bjpowernode.Factory.builder; public class Product { private String buildA; private String buildB; private String buildC; private String buildD; public String getBuildA() { return .

xxCar implements Car -->sout("name") xxFactory implements CarFactory --> Car getCar(return new xxCar())