Java package naming rules that must be mastered

Everyone who works in Java knows that Java packages, classes, interfaces, enumerations, methods, constants, variables and other models have a set of agreed naming rules!

Every language you learn should learn the corresponding grammar and naming rules to maintain a good coding style. Firstly, it shows one's professionalism, and secondly, it facilitates reading and checking, quickly provides reference for others, and understands the project code structure as soon as possible!

Today I will first talk about some common java package naming rules. I will write about other java specifications when I have time in the future!

First of all, what we should know is that java package names are composed of lowercase words, and the first letters of class names are all capitalized, which is our commonly used camel case writing method. The package path is generally the system template. Definition and classification. In this way, it is easy to understand which module does what by looking at the package name, and it is easy to find the corresponding code through the corresponding package path!

In the process of java development, every Java developer can write his or her own java package. In order to ensure the uniqueness of each java package naming during writing, developers are required to precede the package name they define. Add a unique prefix. Therefore, most developers use the name of their company, project name, module name, *.*.* domain name on the Internet as the unique prefix of their own program package. For example: com.sun.xml.*.*.*

But if it is a personal project, how should we name it?

indi:

Individual projects refer to projects initiated by individuals but not completed by themselves alone. They can be public or private projects. The copyright mainly belongs to the initiator.

The package name is indi. Initiator name. Project name. Module name *.*.*

For projects initiated, completed alone, and shareable, the copyright mainly belongs to the individual. Pers. Personal name. Project name. Module name*.*.*

#PRIV

:

## private project , completed alone, non-public private use project, the copyright belongs to the individual.

is PRIV. Personal name. Project name. Module name*.*.*##. :

team

：

Team projects refer to projects initiated and developed by a team, and the copyright belongs to the team.

                                                                               out out out out out out Out use using               out   through ’ through ’ through ’ through ’ using ’ s ’ ’ out through through ‐ ‐ ‐‐ ‐‐ ‐ , to owned by the company.

The package name is com. Company name. Project name. Module name *.*.*

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