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摘要: 工厂方法就是定制 public class car{ public void go(){ System.out.println("Car go"); } Car c = new car(); c.go(); } public class Plane(){ public void go(){ Syst 阅读全文
posted @ 2021-01-08 13:15 BigBender 阅读(70) 评论(0) 推荐(0) 编辑