1. 首页
  2. 编程语言
  3. 其他
  4. Type.Inheritance.and.Relational.Theory

Type.Inheritance.and.Relational.Theory

上传者: 2019-06-26 18:51:41上传 PDF文件 10.56MB 热度 29次
Typeinheritanceisthatphenomenonaccordingtowhichwecansay,forexample,thateverysquareisalsoarectangle,andsopropertiesthatapplytorectanglesingeneralapplytosquaresinparticular.Inotherwords,squaresareasubtypeofrectangles,andrectanglesareasupertypeofsquares.Recognizingandactinguponsuch
用户评论