Accessing structure members - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to access the member 'age' of the struct variable 'person'.

C

int age = person.[1];

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

Aname

Bheight

Cage

Dweight

Attempts:

3 left

💡 Hint

Common Mistakes

Using the arrow operator (->) instead of the dot operator for a struct variable.

Trying to access a member that does not exist in the struct.

The dot operator (.) is used to access members of a struct variable. Here, 'age' is the correct member to access.

2fill in blank

medium

Complete the code to access the member 'salary' of the struct pointer 'empPtr'.

C

float sal = empPtr[1]salary;

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

A*

B->

C.

D&

Attempts:

3 left

💡 Hint

Common Mistakes

Using the dot operator with a struct pointer.

Dereferencing the pointer manually and then using dot operator incorrectly.

The arrow operator (->) is used to access members of a struct through a pointer.

3fill in blank

hard

Fix the error in accessing the 'id' member from the struct pointer 'studentPtr'.

C

int studentId = studentPtr[1]id;

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

A.

B&

C*

D->

Attempts:

3 left

💡 Hint

Common Mistakes

Using the dot operator with a pointer.

Trying to dereference the pointer incorrectly.

To access a member of a struct through a pointer, use the arrow operator (->).

4fill in blank

hard

Fill the blank to correctly access the 'grade' member of the struct pointer 'ptr'.

C

char grade = (*ptr)[1]grade;

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

A.

B*

C->

D&

Attempts:

3 left

💡 Hint

Common Mistakes

Using arrow operator after dereferencing.

Not dereferencing the pointer before using dot operator.

First, dereference the pointer with (*ptr), then use the dot operator (.) to access the member 'grade'.

5fill in blank

hard

Fill the blanks to create a pointer to struct 'Book' and access its 'title' member.

C

struct Book [1]bookPtr = &book;
char* title = bookPtr->title;

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

A*

B->

C.

D&

Attempts:

3 left

💡 Hint

Common Mistakes

Using dot operator to access members through a pointer.

Not declaring the pointer correctly.

Declare 'bookPtr' as a pointer to struct Book using '*'. Then use the arrow operator (->) to access members through the pointer.