关于#java#的问题：子类tostring怎么输出父类的私有属性和它自己的属性

Question

abstract class employee1{
private String name;    
private String num;
private Mydate birthday;
abstract int earnings();
public String toString()
{
    return "姓名:"+name+","+"工号:"+num+","+"生日:"+birthday.toDateString();
}
    
}
class SalariedEmployee extends employee1{
    private int monthlysalary;
    public int earnings() {
        return monthlysalary;
    }
    public String toString()
    {
      
    }
}

子类tostring怎么输出父类的私有属性和它自己的属性

Answer 1

可以在父类封装一个方法给子类调用，