learngo/03-packages-and-scopes/questions/01-packages-A

Where to store the source code files that belong to a package?

1. Each file should go into a different directory
2. In a single directory CORRECT

Why a package clause is used in a Go source-code file?

1. It's used for importing a package
2. It's used for letting Go know that the file belongs to a package CORRECT
3. It's used for declaring a new function

1: import statement does that.

3: func statement does that.

Where you should put the package clause in a Go source-code file?

1. As the first code in a Go source code file CORRECT
2. As the last code in a Go source code file
3. You can put it anywhere

How many times you can use package clause for a single source code file?

1. Once CORRECT
2. None
3. Multiple times

Which one is a correct usage of package clause?

1. my package
2. package main
3. pkg main

Which one is correct?

1. All files belong to the same package cannot call each others' functions
2. All files belong to the same package can call each others' functions CORRECT

How to run multiple Go files?

1. go run *.*go
2. go build *go
3. go run go
4. go run *.go CORRECT

4: You can also call it like (assuming there are file1.go file2.go and file3.go in the same directory): go run file1.go file2.go file3.go