Java学习----对象间的继承

public class Father {
    public String name;
    public String bloodType;
    private int age;
    
    public void work() {
        System.out.println("working....");
    }
}

public class Son extends Father{
    public static void main(String[] args) {
        Father father = new Father();
        Son son = new Son();
        son.work();
        son.name = "son";
        System.out.println(son.name);
        //son.aget = 15;  不可以使用父类私有属性的成员变量和方法
    }
}

working....
son