scala的继承、组合与特质trait_private class lineelement(s: string) extends eleme-CSDN博客

网站介绍:文章浏览阅读6.1k次。scala可以在子类的构造器中重写父类的属性,例如:abstractclassElement{defcontents:Array[String]valheight:Int =contents.lengthvalwidth:Int =if(height==0)0elsecontents(0).length}子类:_private class lineelement(s: string) extends element {