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发布时间:2020-12-13 19:56:23 所属栏目:百科 来源:网络整理
导读:import java.io.*;import java.util.*;interface Fruit{public void eat();}class Apple implements Fruit{public void eat(){System.out.println("吃苹果");}}class Orange implements Fruit{public void eat(){System.out.println("吃橘子");}}class Facto
import java.io.*; import java.util.*; interface Fruit{ public void eat(); } class Apple implements Fruit{ public void eat(){ System.out.println("吃苹果"); } } class Orange implements Fruit{ public void eat(){ System.out.println("吃橘子"); } } class Factory{ public static Fruit getInstance(String name)throws Exception{ Fruit f = null; if("apple".equals(name)){ f = new Apple(); } else if("orange".equals(name)){ f = new Orange(); } if(f!=null){ return f; } else return null; } } public class FactoryDemo01{ public static void main(String args[])throws Exception{ Fruit f = Factory.getInstance("apple"); f.eat(); } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |