final关键字

//被final修饰的类不能被继承
//被final修饰的类属性和类方法不能被重写
package lena11;
public class lele{
public static void main(String[] args) {
studentb b=new studentb();
System.out.println(b.school);
studenta a=new studenta();
System.out.println(a.school);
}
}
class student{
String school=“一中”;
}
class studenta extends student{
final String school=“二中”;
}
class studentb extends student{
}