| 123456789101112131415161718192021222324 | 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");    }}
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