Go Standard Library Essentials

Check how well you know Go’s built-in packages and utilities.

1. Which package is primarily used for formatted input/output (I/O) operations in Go?

fmt io os log

2. Which of the following standard packages are used for concurrent programming in Go?

sync concur goroutine sync/atomic

3. The 'os' package in Go provides functions for interacting with the operating system, such as file manipulation and environment variables.

True False

4. What is the full package path used for handling HTTP client and server operations in Go?

5. Which function from the 'fmt' package prints output to standard output WITHOUT appending a newline character?

Println Print Printf Sprint

6. Which of the following are functions provided by the 'os' package for file operations?

Open ReadFile Create WriteFile

7. The 'encoding/json' package can only serialize Go structs to JSON, not deserialize JSON back to structs.

True False

8. What is the name of the standard package used for working with regular expressions in Go (abbreviation)?

9. Which package provides functionality for parsing, formatting, and manipulating time (e.g., dates and durations)?

time date clock timer

10. Which of the following are standard encoding packages in Go for data serialization?

encoding/json encoding/xml encoding/csv encoding/yaml

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