| 123456789101112131415161718 | package J20250714.demo03;/** * @author WanJl * @version 1.0 * @title TestTeacher * @description * @create 2025/7/14 */public class TestTeacher {    public static void main(String[] args) {        //需求:先创建教师对象,暂时不进行年龄赋值。        Teacher t=new Teacher("t00001","张三",26);        System.out.println(t.getAge());        t.setAge(62);        System.out.println(t.getAge());    }}
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