JAVA 多态的基本意思

package Demo513.Multi;

public class DemoMultiMethod {
public static void main(String[] args) {
//写法格式 父类名 对象名= new 子类名();

Employee one =new Teacher();
one.work();
Employee two =new Assistant();
two.work();
}
}
class Employee{
void work(){

}
}
class Teacher extends Employee{
@Override
void work(){
System.out.println("讲课");

}

}
class Assistant extends Employee{
@Override
void work(){
System.out.println("辅导");
}
}
运行代码↓
 

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转载自www.cnblogs.com/Ssinoo/p/10861288.html