go What's the difference between `go build` and `go run`?

What's the difference between go build and go run?

1. go run just compiles a program; whereas go build both compiles and runs it.
2. go run both compiles and runs a program; whereas go build just compiles it. CORRECT

1: It's opposite actually.

2: go run compiles your program and puts it in a temporary directory. Then it runs the compiled program in there.

Which one below is true for runtime?

1. It happens when your program starts running on a computer CORRECT
2. It happens while your program is being compiled

Which one below is true for the compile-time?

1. It happens when your program starts running in a computer
2. It happens while your program is being compiled CORRECT

In which stage your program can print a message to the console?

1. While it's being compiled.
2. While it runs (after compile-time). CORRECT
3. While it runs (inside the compile-time).

1: In the compilation step your program cannot print a message. In that stage, it's literally dead.

2: That's right. That's the only time which your program can interact with a computer and instruct it to print a message to the console.

3: Running can only happen after the compile-time

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