Please let someone know about object oriented programming languages 50

I have learned until now, I rarely use the mathematical knowledge of the university, I can't use any calculus, I occasionally use a root-finding formula...

Mathematics really has nothing to do with programming, unless you are a computer algorithm scientist, and you rarely use it in daily applications, such as QQ, which can also be calculus??

The formula for finding the root that I just said. That's also the homework assigned by the teacher.,QQ doesn't need to ask for roots,

There are only a few special algorithms that involve mathematics. Mastering these algorithms requires knowledge of data structures in this course. Some people say that programming is playing with math, and that is advanced programming, but in fact, for simple design, there is very little math used.

Go to W3cschool and see it's all basic.

Logic, so.

If you take this textbook, you will understand. Mathematics level requirements: some equations, functions (sin, cos, log......

A painter is usually not a mathematician, nor is he a scientist. When painting, he doesn't first use mathematical formulas to figure out how to draw a person's hair, nor does he produce his own paints, he only cares about how to make better use of ready-made paints and brushes to make perfect works. A good programmer usually doesn't write a lot of low-level ** (which involves a lot of math) on his own, but makes full use of existing modules to build extraordinary programs, just like a painter.

It's true that computers include a lot of math knowledge, but most of them are encapsulated in operating systems and libraries, so if you have to write an operating system, it's up to you.

Programming and math are related, but not absolutely, and I don't know anything about math at the beginning, but I don't know anything about programming, and even our teachers find it strange, so as long as you're interested in learning it, it doesn't matter what it is.

Object-oriented programming (OOP) is essentially the use of an object-oriented programming language (OOP) to design programs using objects, classes, and related concepts.

The results of object-oriented design can be implemented in both object-oriented and non-object-oriented languages. Object-oriented programming languages natively support the implementation of object-oriented concepts, and their compilers can automatically implement the mapping of object-oriented concepts to target programs. And compared to non-object-oriented languagesObject-oriented languages also have some of the following advantages:

1) Consistent representation.

The object-oriented approach to adoption has been consistent from problem domain representation to object-oriented analysis to object-oriented design and implementation. A consistent representation not only facilitates the consistent use of a common concept during software development, but also facilitates the understanding of the various configuration components of the software.

2) Reusability.

In order to bring significant business benefits, reuse mechanisms must be used on a broader scale, rather than just at the programming level. A software development organization may reuse its OOA results within a problem domain, as well as the corresponding OOD and OOP results.

It is a programming paradigm with the concept of objects, and it is also a method of program development. It may contain data, attributes, and methods. An object is an instance of a class.

It takes the object as the basic unit of the program, encapsulates the program and data in it, and improves the reusability, flexibility and extensibility of the software, and the program in the object can access and frequently modify the data associated with the object.

Object-oriented design language is a kind of language design idea, which is to process the language to a certain extent, so that it is more suitable for program development.

It refers to:"Everything is an object"As a design philosophy and philosophy of a programming language, each type of design is related and combined through inheritance and extension to solve practical needs.

It "encapsulates" functions into "objects" necessary for programming by adding extension statements to the program. Object-oriented programming languages make complex work organized and easy to write. To say that it is a revolution is not in terms of the objects themselves, but in terms of their ability to handle the work.

Objects are not compatible with traditional programming and programming methods, and some object orientation can make things worse. Unless the entire development environment is object-oriented, the benefits generated by objects are not as much as the hassle. Some people might say that PHP is not a true object-oriented programming language, PHP is a hybrid language, you can use object-oriented programming or traditional procedural programming.

However, for the development of large projects, you may want to use pure object-oriented programming in PHP to declare classes, and only use objects and classes in your project development. As projects get bigger, it can be helpful to use object-oriented programming, which is easy to maintain, easy to understand, and easy to reuse, and these are the foundations of software engineering. Applying these concepts in web-based projects is the key to future success.

An object is an abstraction of something in the problem domain or implementation domain, which reflects the information and role that the thing needs to hold in the system; It is an encapsulation of a set of properties and a set of services that have the authority to operate on those properties. Objects should be understood from two aspects: on the one hand, they refer to the real-world objects that the system is dealing with; On the other hand, an object is an object that the computer does not directly process, but processes the corresponding computer representation, which is also called an object.

To put it simply, a person is an object, and a ruler can also be said to be an object.

Object-oriented programming, also known as OOP, is a computer programming architecture. The essence is an abstract thought process and object-oriented approach embodied in the establishment of models.

One of the basic principles of OOP is that a computer program is made up of a single unit or object that can function as a subprogram. OOP achieves the three main goals of software engineering: reusability, flexibility, and scalability.

OOP = Object + Class + Inheritance + Polymorphism + Message, where the core concepts are classes and objects.

The object-oriented programming method simulates the way of thinking of human beings as much as possible, so that the software development methods and processes are as close as possible to the methods and processes of human beings to understand the world and solve real problems, and even if the problem space of the problem and the solution space of the problem are as consistent in structure as possible, the entities in the objective world are abstracted into objects in the problem domain.

It is a programming style, that is, everything is regarded as an object, such as a person, a car, a loaf, etc., and then the attribute variables that these objects have, such as age, ethnicity, place of work, deterioration period, life span, and the functions that operate these attribute variables are packaged into a class to represent, an abstraction of this class is an object, such as a person, this class contains some attributes, such as age, name, address, etc., and he also has some functions to tell others about these attributes, such as: say, look, go, etc!! That's what object-orientation is all about!!