向下推疊欄位

open in web edition

我如何登入網路版本？

refactorgram

class Employee {        // Java
  private String quota;
}

class Engineer extends Employee {...}
class Salesman extends Employee {...}

image/svg+xml 

class Employee {...}
class Engineer extends Employee {...}

class Salesman extends Employee {
  protected String quota;
}

反向的 向上拉取欄位