Go Multiple Choice Questions and answers | Go Online quiz - Part 06

These Go Programming MCQs(Multiple Choice Question) are designed to prepare for interview preparation and checking the knowledge about Go. These questions are taken from many sources and i hope these quizzes help to check your fundamental about Go.

Go Multiple Choice Questions and Answers

 

1. what is the output of below code snippet

package main

import (
        "fmt"
)

func PrintHello() {
        fmt.Println("Hello")
}

func main() {
        go PrintHello()
        fmt.Println("User")
}

1.Hello
User
2. User
3. Hello
4. Error

 

2. what is the output of below code snippet

package main

import (
        "fmt"
)

func main() {
        ch := make(chan int)
        ch <- 2
        get := <-ch
        fmt.Println(get)
}

1.2.0
2. Compile time error
3. fatal error
4. None of the above

 

3. what is the output of below code snippet?

package main

import (
        "fmt"
)

func printChannel(ch chan int){
        fmt.Println(<-ch)
}

func main() {
        ch := make(chan int)
        ch <- 2
        go printChannel(ch)
        fmt.Println("Done")
}

1.2
Done
2. Done
2
3. Done
4. Fata Error

 

4. What is the output of below code snippet?

package main

import (
        "fmt"
)

func printChannel(ch chan int){
        fmt.Println(<-ch)
}

func main() {
        ch := make(chan int,1)
        ch <- 2
        go printChannel(ch)
        fmt.Println("Done")
}

1.2
Done
2. Done
2
3. Done
4. Fatal Error

 

5. What is the output of below code snippet?

package main

import (
        "fmt"
)

func printChannel(ch chan int) {
        fmt.Println(<-ch)
        fmt.Println(<-ch)
}

func main() {
        ch := make(chan int)
        go printChannel(ch)
        ch <- 2
        ch <- 3
        fmt.Println("Done")
}

1.Fatal Error
2. Done
3. 2
3
Done
4. Fatal Error

 

6. What is the output of below code snippet?

package main

import (
        "fmt"
)

func printChannel(ch chan int) {
        fmt.Println(<-ch + <-ch)
}

func main() {
        ch := make(chan int)
        go printChannel(ch)
        ch <- 2
        ch <- 3
        fmt.Println("Done")
}

1.5
Done
2. Done
5
3. Done
4. Error