资助维基百科 外观 创建账号 登录 个人工具 创建账号 Constructors are much like methods and so are invoked when an item is instantiated, or designed, in a method. Right here’s an example of a constructor that sets the worth of the instance variable named working day to Monday when an instance of Monday https://thisav04681.blogdomago.com/29911386/what-does-this-jav-mean