JAVA 多態的基本意思
阿新 • • 發佈:2019-05-14
mom mic sys pub ack emp 輔導 () extends
package Demo513.Multi;
public class DemoMultiMethod {
public static void main(String[] args) {
//寫法格式 父類名 對象名= new 子類名();
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("講課");
}
}
class Assistant extends Employee{
@Override
void work(){
System.out.println("輔導");
}
}
運行代碼↓
JAVA 多態的基本意思