language and face-oriented

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The input and output of a function can also be not only ordinary values ​​but also objects. How are these objects packaged and called each other? It is definitely not a mechanical packaging. The replacement sequence from V is a mechanical replacement, and the corresponding relationship is also a mechanical corresponding relationship. The call of the object-oriented object is organic. It is established by simulating the relationship between various objects in the real world. This relationship is the design pattern. If you want to understand the knowledge of design patterns in detail, the recommended reading book is "Zen of Design Patterns" by Qin Xiaobo.



The fourth layer: In the construction of the third layer of jamaica phone number example applications, including i, and other software frameworks. With the assistance of these frameworks, the difficulty of building software has been reduced by many orders of magnitude. When programmers build complex business systems, they basically build systems based on various software frameworks. The fourth layer is the software architecture. Building business processes at this level is as simple as building blocks. You can quickly build a business system by visually dragging and dropping. This is the ultimate direction of the software.



. Masters of computer languages. The masters of the first three layers are mainly computer technicians. Unless you have learned and mastered the principles of computers and can at least use a computer programming language proficiently, you may not understand the technical scenarios that technicians are talking about. At the fourth layer, ordinary I personnel or ordinary product managers can build a business system in a very short time, and even business personnel can complete this operation themselves. . Visual demonstration of container theory. The main operable objects of software programming are: Memory: Memory is the simplest container.