Pointer declaration in Go - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a pointer to an integer variable.

Go

var p [1]int

Drag options to blanks, or click blank then click option'

A*

B&

C&&

D#

Attempts:

3 left

💡 Hint

Common Mistakes

Using & instead of * to declare a pointer type.

Using invalid symbols like && or #.

In Go, a pointer to a type is declared using the * symbol before the type.

2fill in blank

medium

Complete the code to assign the address of variable x to pointer p.

Go

p := [1]x

Drag options to blanks, or click blank then click option'

A&

B*

C&&

D#

Attempts:

3 left

💡 Hint

Common Mistakes

Using * instead of & to get the address.

Using invalid symbols like && or #.

The address of a variable is obtained using the & operator in Go.

3fill in blank

hard

Fix the error in the pointer declaration to correctly declare a pointer to a string.

Go

var strPtr [1]string

Drag options to blanks, or click blank then click option'

A#

B&

C&&

D*

Attempts:

3 left

💡 Hint

Common Mistakes

Using & instead of * in type declaration.

Using invalid symbols like && or #.

The correct way to declare a pointer to a string is using *string.

4fill in blank

hard

Fill both blanks to declare a pointer to a float64 and assign it the address of variable f.

Go

var ptr [1]float64
ptr = [2]f

Drag options to blanks, or click blank then click option'

A*

B&

C#

D&&

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up * and & operators.

Using invalid symbols like # or &&.

Use * to declare a pointer type and & to get the address of a variable.

5fill in blank

hard

Fill all three blanks to declare a pointer to an int, assign it the address of n, and then dereference it to get the value.

Go

var p [1]int
p = [2]n
value := [3]p

Drag options to blanks, or click blank then click option'

A*

B&

Cp

D#

Attempts:

3 left

💡 Hint

Common Mistakes

Using & instead of * for pointer declaration or dereferencing.

Using invalid symbols like #.

Declare pointer with *int, assign address with &n, and dereference with *p.