What are the go language standard libraries?

The go language standard library includes fmt, net/http, os, io, time, encoding/json, sync, flag, strconv, math, etc. Detailed introduction: 1. fmt: package for formatting input and output; 2. net/http: package for building web applications and HTTP clients; 3. os: provides functions for interacting with the operating system, such as file operations , environment variables, etc.; 4. io: Provides basic I/O interfaces and functions; 5. time, etc.

The operating system for this tutorial: Windows 10 system, go1.20.1 version, Dell G3 computer.

The Go language standard library contains many powerful packages for handling various common tasks and operations. Some commonly used Go language standard libraries include:

1. fmt - a package for formatting input and output.

2. net/http - Package for building web applications and HTTP clients.

3. os - Provides functions for interacting with the operating system, such as file operations, environment variables, etc.

4. io - Provides basic I/O interfaces and functions.

5. time - Package for handling times and dates.

6. encoding/json - Package for JSON encoding and decoding.

7. sync - Provides functions related to concurrent programming, such as mutex locks, condition variables, etc.

8. #flag - package for parsing command line arguments.

9. strconv - Used for conversion between strings and primitive data types.

10. math - A package that provides mathematical functions and constants.

In addition to the packages listed above, the Go language standard library also contains many other useful packages covering various fields, such as network programming, encryption, testing, etc. These standard library packages make the Go language a feature-rich programming language suitable for various application scenarios.

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