Why structs are used in Go - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a struct named Person.

Go

type Person [1] {
    Name string
    Age  int
}

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

Astruct

Bclass

Cinterface

Dpackage

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'class' instead of 'struct' because Go does not have classes.

Using 'interface' which is for behavior, not data grouping.

In Go, struct is used to define a new data type that groups fields.

2fill in blank

medium

Complete the code to create a variable of type Person.

Go

var p [1] Person

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A=

Bnew

Cvar

D:=

Attempts:

3 left

💡 Hint

Common Mistakes

Using '=' without declaration.

Using 'var' keyword incorrectly here.

The short declaration operator := is used to declare and initialize variables in Go.

3fill in blank

hard

Fix the error in the code to access the Age field of a Person struct.

Go

fmt.Println(p[1]Age)

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

A.

B->

C::

D#

Attempts:

3 left

💡 Hint

Common Mistakes

Using '->' which is from other languages like C.

Using '::' or '#' which are invalid in Go for field access.

In Go, the dot . operator is used to access fields of a struct.

4fill in blank

hard

Complete the code to create a struct literal for Person with Name "Alice" and Age 30.

Go

p := Person{Name: "Alice", [1]: 30}

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

A{

BAge

C}

D[

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets instead of braces.

Omitting the field name for the second value.

Struct literals use curly braces {} and field names to assign values.

5fill in blank

hard

Fill all three blanks to define a struct, create a variable, and assign a value.

Go

type [1] struct {
    Name string
}

var p [2] [3]

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

APerson

Bp

DPerson{}

Attempts:

3 left

💡 Hint

Common Mistakes

Using the variable name as the type.

Not assigning a struct literal when declaring the variable.

First, define the struct type. Then declare a variable of that type and assign a struct literal.