接口多态继承

最新推荐文章于 2024-10-18 21:39:50 发布

原创最新推荐文章于 2024-10-18 21:39:50 发布 · 225 阅读

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#接口和多态

interface Teach{
/**
*父类提供一个抽象方法让子类以多态的形式体现
*/
public void teachLession();

}
/**
*创建JavaTeacher
*/
class JavaTeacher implements Teach{

String name;

public void teachLession(){
    System.out.println(name+"正在讲多态");

}

}
/**
*创建PHPTeacher
*/
class PHPTeacher implements Teach{

String name;

public void teachLession(){
    System.out.println(name+"正在讲PHP课程 ");

}

}

class Leader{

public void CheckTeacher(Teach t){
String teacher = null ;
if(t instanceof JavaTeacher){
    teacher = "java老师";
}else {
    teacher = "PHP老师";

}

System.out.println("开始考察");
t.teachLession();
System.out.println("结束考察");

}

class TestTeacher1{

public static void main(String []args){
    JavaTeacher jt = new JavaTeacher();
    jt.name = "kim哥";

    PHPTeacher pt = new PHPTeacher();
    pt.name = "chueng";

    Leader leader = new Leader();
    leader.CheckTeacher(jt);
    leader.CheckTeacher(pt);
}

}