建立测试类main方法创建学生类的对象姓名：小明、年龄：17、性别：男、学号：NO13、成绩：82并调用eat和show方法；创建工人类的对象姓名：老明、年龄用java

public class Test { public static void main(String[] args) { Student student = new Student("小明", 17, "男", "NO13", 82); student.eat(); student.show();

    Worker worker = new Worker("老明", 30, "男", "001", 5000);
    worker.eat();
    worker.show();
}

}