FREE GoLang Error Handling Questions and Answers

Question 1

Which package is used to create and handle errors in Go?

Accepted Answer

errors

Answer

os

Answer

fmt

Answer

log

Question 2

What is the idiomatic way to handle errors in Go?

Accepted Answer

Check if the returned error is nil.

Answer

Use try-catch blocks.

Answer

Ignore errors if they are not critical.

Answer

Panic on every error.

Question 3

Which of the following methods can be used to create a custom error in Go?

Accepted Answer

errors.New("custom error")

Answer

panic("custom error")

Question 4

When should panic be used instead of returning an error in Go?

Accepted Answer

When an unexpected and unrecoverable condition occurs.

Answer

For minor errors that can be ignored.

Answer

To simplify error handling in a function.

Answer

To debug your code.