Why structures are needed in C++ - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a structure named Person.

C++

struct [1] {
    int age;
    float height;
};

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

AInfo

Bperson

CData

DPerson

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or unrelated names for the structure.

The structure name should be Person to match the definition.

2fill in blank

medium

Complete the code to create a variable of type Person.

C++

Person [1];

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

APerson

Bstruct

Cperson1

Ddata

Attempts:

3 left

💡 Hint

Common Mistakes

Using the structure name as the variable name.

We create a variable named person1 of type Person.

3fill in blank

hard

Fix the error in accessing the age member of person1.

C++

person1.[1] = 25;

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

Aages

Bage

CAGE

DAge

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect capitalization for member names.

Member names are case-sensitive. The correct member is age.

4fill in blank

hard

Fill both blanks to define and initialize a Person variable.

C++

Person [1] = { [2], 5.9f };

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Aperson2

Bperson1

C30

D25

Attempts:

3 left

💡 Hint

Common Mistakes

Using existing variable names or wrong age values.

We define person2 with age 30 and height 5.9.

5fill in blank

hard

Fill all three blanks to create a structure and print a member.

C++

#include <iostream>

struct [1] {
    int age;
    float height;
};

int main() {
    [2] p = { [3], 6.1f };
    std::cout << p.age << std::endl;
    return 0;
}

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

APerson

C28

Dperson

Attempts:

3 left

💡 Hint

Common Mistakes

Mismatched names or wrong initialization values.

The structure is named Person, variable person, age initialized to 28.