摘要: Nacos在Linux(Centos7)下集群部署环境搭建 环境准备: 1 三台centos7系统刀片机或虚拟机 2 JDK1.8 (Linux centos7虚拟机下安装JDK1.8) 3 nacos-1.3.0安装包 4 Maven 3.6+(Linux Centos下安装Maven3.6.3) 阅读全文
posted @ 2020-06-23 21:05 散落人间 阅读(888) 评论(0) 推荐(0) 编辑
interface food{} class A implements food{} class B implements food{} class C implements food{} public class StaticFactory { private StaticFactory(){} public static food getA(){ return new A(); } public static food getB(){ return new B(); } public static food getC(){ return new C(); } } class Client{ //客户端代码只需要将相应的参数传入即可得到对象 //用户不需要了解工厂类内部的逻辑。 public void get(String name){ food x = null ; if ( name.equals("A")) { x = StaticFactory.getA(); }else if ( name.equals("B")){ x = StaticFactory.getB(); }else { x = StaticFactory.getC(); } } }