8.7 属性覆盖

demo

class Channel {
    String info = "www.mldn.cn";// 非私有属性；默认default，private不可访问;
}

class DatabaseChannel extends Channel {
    int info = 12;
    public void fun(){
        System.out.println("[父类info成员属性]" + super.info);
        System.out.println("【子类info成员属性】" + this.info);
    }
}

public class HelloWorld {
    public static void main(String args[]){
        DatabaseChannel channel = new DatabaseChannel();
        channel.fun();
    }
}