另类亚洲综合图片区

2017-07-18 14:31:11Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows:Sharif非常悲痛，在叛军中突出重围，和Michelle逃到了广阔无垠的沙漠。Sharif和Michelle不得不在被Oman的叛军追杀的情况下还要面对沙漠中严酷的环境。尹旭不禁眉头一皱，没想到周家的情况这么复杂，尤为严重的是他们竟然掌控的山yīn城里大部分的米粮供应，这可是个严峻的问题。何永强拂扇笑道，姑娘先报芳名，我再报不迟。　　随着肾上腺素被柴米油盐取代，罗易明和俞越发现爱情的升级版——婚姻并不是他们想象的样子，他们每一天都会遇到新问题，都会遭遇新的考验。在日常琐事中，他们摸索着婚姻之道，解决着他们的一个又一个“第一次”。Open the course of "Gem Processing Technology", It is found that it is based on "Gem Processing Technology" written by Professor Liu Ziqiang of Jewelry Department of Jinling Institute of Science and Technology. Including six aspects of knowledge-a preliminary understanding of some gemstone raw materials, Understand the names, characteristics and development history of different gemstone cut styles, understand some basic equipment and accessories for gemstone processing, understand the processing principles and technological methods of gemstones, see the processing process of standard round polyhedral styles, and learn the processing quality evaluation of gemstones (including jadeite).