Jobs By Abekus

Golang Questions Set 13:

Quiz Mode

Which keyword is used to import packages in Go?

include

import

require

use

Solution:

Which keyword is used to terminate a loop in Go?

break

continue

return

exit

Solution:

Which keyword is used to define an interface in Go?

struct

type

interface

func

Solution:

What is the correct syntax for a Go Lang if statement?

if (condition) {}

if condition {}

if condition then {}

if {condition}

Solution:

Which of the following is NOT a valid array declaration in Go?

var a [5]int

a := [5]int{1, 2, 3, 4, 5}

a := []int{1, 2, 3, 4, 5}

a := [...]int{1, 2, 3}

Solution:

What is the purpose of an interface in Go?

To enable multiple inheritance in Go

To enforce strict typing in a Go program

To provide a way to instantiate new types

To define a set of method signatures that a type must implement

Solution:

What will be the output of the following code snippet?
package main
import "fmt"

func main() {
  arr := []int{1, 2, 3, 4, 5}
  slice := arr[1:4]
  slice[1] = 10
  fmt.Println(arr)
}

[1, 2, 3, 4, 5]

[1, 2, 10, 4, 5]

[1, 10, 3, 4, 5]

Compilation error

Solution:

Which of the following is NOT a valid way to implement an interface in Go?

Defining the methods of the interface on a struct type

Creating a new type that implements the interface

Defining the methods of the interface on an interface type

Using a pointer receiver for the methods of the interface

Solution:

Which of the following is true about the Go Lang switch statement?

The expression in a switch statement can only be a string or an integer

The default case in a switch statement is optional

The break statement is required at the end of each case block

The fallthrough keyword is used to move to the next case block

Solution:

What is the output of the following code?
package main
import "fmt"

func main() {
   var ptr *int
   fmt.Printf("Value of ptr: %x\n", ptr)
   if ptr == nil {
       fmt.Println("ptr is nil")
   } else {
       fmt.Println("ptr is not nil")
   }
}

Value of ptr: 0, ptr is nil

Value of ptr: 0, ptr is not nil

Value of ptr: some random value, ptr is nil

Compilation error

Golang Questions Set 13:

Which keyword is used to import packages in Go?

Solution:

Which keyword is used to terminate a loop in Go?

Solution:

Which keyword is used to define an interface in Go?

Solution:

What is the correct syntax for a Go Lang if statement?

Solution:

Which of the following is NOT a valid array declaration in Go?

Solution:

What is the purpose of an interface in Go?

Solution:

What will be the output of the following code snippet?
package main
import "fmt"

func main() {
  arr := []int{1, 2, 3, 4, 5}
  slice := arr[1:4]
  slice[1] = 10
  fmt.Println(arr)
}

Solution:

Which of the following is NOT a valid way to implement an interface in Go?

Solution:

Which of the following is true about the Go Lang switch statement?

Solution:

What is the output of the following code?
package main
import "fmt"

func main() {
   var ptr *int
   fmt.Printf("Value of ptr: %x\n", ptr)
   if ptr == nil {
       fmt.Println("ptr is nil")
   } else {
       fmt.Println("ptr is not nil")
   }
}

Solution:

Related Question Sets:

Related Topics:

Golang Questions Set 13:

Which keyword is used to import packages in Go?

Solution:

Which keyword is used to terminate a loop in Go?

Solution:

Which keyword is used to define an interface in Go?

Solution:

What is the correct syntax for a Go Lang if statement?

Solution:

Which of the following is NOT a valid array declaration in Go?

Solution:

What is the purpose of an interface in Go?

Solution:

What will be the output of the following code snippet?package mainimport "fmt"func main() { arr := []int{1, 2, 3, 4, 5} slice := arr[1:4] slice[1] = 10 fmt.Println(arr)}

Solution:

Which of the following is NOT a valid way to implement an interface in Go?

Solution:

Which of the following is true about the Go Lang switch statement?

Solution:

What is the output of the following code?package mainimport "fmt"func main() { var ptr *int fmt.Printf("Value of ptr: %x\n", ptr) if ptr == nil { fmt.Println("ptr is nil") } else { fmt.Println("ptr is not nil") }}

Solution:

Related Question Sets:

Related Topics:

What will be the output of the following code snippet?
package main
import "fmt"

func main() {
arr := []int{1, 2, 3, 4, 5}
slice := arr[1:4]
slice[1] = 10
fmt.Println(arr)
}

What is the output of the following code?
package main
import "fmt"

func main() {
var ptr *int
fmt.Printf("Value of ptr: %x\n", ptr)
if ptr == nil {
fmt.Println("ptr is nil")
} else {
fmt.Println("ptr is not nil")
}
}