How to run golang

With the continuous development of the Internet and computer technology, there are more and more types of programming languages. As a static programming language developed by Google, golang (or Go language) has attracted much attention in recent years. However, for beginners, how to run golang code is still a headache. This article will introduce how golang operates and related precautions.

1. Install golang

Before running golang code, you first need to install golang. For different operating systems, the installation method may be different. However, here we mainly introduce how to install the golang environment under Windows systems.

1. Download the installation package

First, you need to download the golang installation package from the official website (https://golang.org/dl/). Just select the corresponding version according to different operating systems and bit numbers.

2. Install and configure environment variables

After the installation is completed, you need to add the golang installation path to the system environment variables. The specific steps are as follows:

(1) Right-click "My Computer" and select "Properties"

(2) Click "Advanced System Settings" to open the "System Properties" window

(3) Click the "Environment Variables" button, find the "Path" variable in "System Variables", and click "Edit"

(4) In the pop-up window, copy the installation path of golang To the end, use a semicolon ";" to separate each path

3. Verify whether the installation is successful

After the installation is completed, you need to verify whether the installation is successful. Enter the command "go version" in the command line window. If the golang version information is displayed, the installation is successful.

2. Run golang code

After installing the golang environment, you can happily write and run golang code. In golang, you can use a variety of ways to run code, mainly including the following:

1. Use the command line

to enter the folder where the golang code is located in the command line window, and execute Command "go run filename.go", where "filename.go" is the name of the golang source code file to be run. If there are no errors in the code, the program will output the corresponding results in the command line window.

2. Use golang editor

In order to write golang code more conveniently, you can use some golang-specific editors. For example, commonly used golang editors include Visual Studio Code and GoLand. These editors integrate golang's compilation and debugging functions and can write and run golang code more efficiently.

3. Compile into an executable file

If you need to compile the golang code into an executable file, you can use the command "go build filename.go", where "filename.go" is the The compiled golang source code file name. After compilation is completed, an executable file with the same name as the source code file will be generated, which can be run directly.

3. Precautions

When actually using golang to write code and run it, you also need to pay attention to the following points:

1. Whether the environment variable configuration is correct

When installing the golang environment, pay attention to adding the golang installation path to the system environment variable Path. Otherwise, when running golang code, you may encounter an error that the "go" command cannot be found.

2. Is the code inspection strict?

When writing golang code, you should follow golang's grammatical specifications as much as possible, and strictly conduct code inspection and testing. Otherwise, some unpredictable problems may occur.

3. Avoid code conflicts

Although golang itself has excellent concurrent execution performance, when writing golang code, you should also pay attention to avoiding code conflicts and data competition between different threads.

To sum up, golang is a programming language with powerful performance and high efficiency, which is particularly suitable for software development that requires large-scale concurrent operations. When running golang code, you need to pay attention to correctly installing the golang environment, using a suitable editor and writing standardized code in order to develop more efficiently.

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