package J20250716.demo02_extends; /** * @author WanJl * @version 1.0 * @title Main * @description * @create 2025/7/16 */ public class Main { public static void main(String[] args) { JavaDevelopmentEngineer jde=new JavaDevelopmentEngineer(); jde.setId("1001"); jde.setName("张三"); jde.setJob("Java开发工程师"); jde.work(); UIDesigner ui1=new UIDesigner(); ui1.setName("王五"); ui1.work(); UIDesigner ui2=new UIDesigner(); ui2.setName("赵六"); } }