48 面向对象private关键字的概述和特点

class Demo2_Phone{


    public static void main(String[] args) {


        Phone p1 = new Phone();
        p1.setPrice(10);
        System.out.println(p1.getPrice());
    }
}

class Phone{
        String brand;
        private int price;

    public void call(){
        System.out.println("call");
    }

    public void sendMessage(){
        System.out.println("sendMessage.....");
    }

    public void setPrice(int price){
        if(price<90&& price>80){
            this.price = price;
        }else{
            System.out.println("no price");
        }
        
    }

    public int getPrice(){
        return price;
    }
}