Switch statement in C++ - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a switch statement on variable choice.

C++

switch([1]) {
    case 1:
        // code
        break;
    default:
        // code
}

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

Achoice

B1

Cswitch

Dcase

Attempts:

3 left

💡 Hint

Common Mistakes

Putting a number instead of the variable inside switch parentheses.

Writing 'switch' or 'case' inside the parentheses.

The switch statement requires the variable or expression to check inside parentheses. Here, it should be choice.

2fill in blank

medium

Complete the code to add a case for when choice equals 2.

C++

switch(choice) {
    case [1]:
        std::cout << "Choice is 2" << std::endl;
        break;
    default:
        std::cout << "Other choice" << std::endl;
}

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

A1

B2

Cchoice

Ddefault

Attempts:

3 left

💡 Hint

Common Mistakes

Using the variable name instead of a constant value.

Writing 'default' as a case label.

The case label must be the constant value to match. Here, it is 2.

3fill in blank

hard

Fix the error in the switch statement by completing the missing keyword.

C++

switch(choice) {
    case 1:
        std::cout << "One" << std::endl;
        [1];
    default:
        std::cout << "Default" << std::endl;
}

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

Abreak

Bcontinue

Creturn

Dexit

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting break causes fall-through.

Using continue or return incorrectly inside switch.

The break statement is needed to exit the switch after a case is handled to avoid falling through.

4fill in blank

hard

Fill both blanks to create a switch that prints "Low" for 1 or 2, and "High" for 3.

C++

switch(choice) {
    case [1]:
    case [2]:
        std::cout << "Low" << std::endl;
        break;
    case 3:
        std::cout << "High" << std::endl;
        break;
}

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

A1

B2

C3

Ddefault

Attempts:

3 left

💡 Hint

Common Mistakes

Using default instead of case labels.

Not using break after the shared cases.

Cases 1 and 2 both print "Low" by falling through to the same code block.

5fill in blank

hard

Fill all three blanks to complete a switch that prints the day name for 1, 2, or default.

C++

switch(day) {
    case [1]:
        std::cout << "Monday" << std::endl;
        break;
    case [2]:
        std::cout << "Tuesday" << std::endl;
        break;
    [3]:
        std::cout << "Other day" << std::endl;
}

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

A1

B2

Cdefault

D3

Attempts:

3 left

💡 Hint

Common Mistakes

Using numbers instead of default for the last case.

Omitting break statements.

Cases 1 and 2 print Monday and Tuesday, and default handles all other values.