23.1 abstract抽象类案例

package day2_抽象类;
/*
 *    基础班老湿，就业班老湿

 *    共性
 *        属性    姓名，年龄，性别
 *        行为    讲课
 */
public class AbstractTeacherTest {
    public static void main(String[] args) {
        BasicTeacher b = new BasicTeacher();
        b.name = "风清扬";
        b.teach();
    }
}

abstract class Teacher2 {
    String name;
    int age;
    String gender;//性别

    public abstract void teach();
}

class BasicTeacher extends Teacher2 {
    @Override
    public void teach() {
        System.out.println(name + "：教授基础课程");
    }
}

输出