Learn Ternary Operator | Advanced Topics

The ternary operator is a powerful tool that often used to make quick decisions in your code and can greatly improve code readability when used appropriately.

ternary.h


              1
            
condition ? expression_if_true : expression_if_false;

The condition is evaluated. If the condition is true, the expression before the : is executed, otherwise, the expression after the : is executed.

The ternary operator is essentially just an alternative to the if-else statement, providing the code readability and convenience.

if_else.h

ternary.h


              123456789
            
int variable;
if (condition)
{
    variable = 25;
}
else
{
    variable = 10;
}

As you can see it using ternary operator can save code space and improve readability and efficiency. However, it is important to save a balance and maintain code maintainability and understandability.

Ternary operators can also be nested to handle more complex conditions. But don't fall into a pitfall full of ternary operatorsю

nested_ternary.h


              12345678910
            
std::string eligibility = 
    age < 18 
        ? "Too young"
        : (isStudent
            ? (hasJob
                ? "Eligible for student discount"
                : "Eligible for student perks")
            : (hasJob
                ? "Eligible for job-related benefits"
                : "Not eligible"));

It's really hard to understand what is going on. So it is better to limit yourself to a single ternary operator, with a maximum of one level of nesting at any given time.

Task

Swipe to start coding

Find the largest value of variables x, y and z using nested ternary operators.
Output it in the console.

Solution

solution.cpp

Everything was clear?

Thanks for your feedback!

Section 3. Chapter 1

single

Ask AI

Ask anything or try one of the suggested questions to begin our chat

Suggested prompts:

Can you give an example of a ternary operator in code?

What are some common mistakes when using ternary operators?

When should I use an if-else statement instead of a ternary operator?

Awesome!

Completion rate improved to 7.69

Swipe to show menu

The ternary operator is a powerful tool that often used to make quick decisions in your code and can greatly improve code readability when used appropriately.

ternary.h


              1
            
condition ? expression_if_true : expression_if_false;

The condition is evaluated. If the condition is true, the expression before the : is executed, otherwise, the expression after the : is executed.

The ternary operator is essentially just an alternative to the if-else statement, providing the code readability and convenience.

if_else.h

ternary.h


              123456789
            
int variable;
if (condition)
{
    variable = 25;
}
else
{
    variable = 10;
}

Ternary operators can also be nested to handle more complex conditions. But don't fall into a pitfall full of ternary operatorsю

nested_ternary.h


              12345678910
            
std::string eligibility = 
    age < 18 
        ? "Too young"
        : (isStudent
            ? (hasJob
                ? "Eligible for student discount"
                : "Eligible for student perks")
            : (hasJob
                ? "Eligible for job-related benefits"
                : "Not eligible"));

It's really hard to understand what is going on. So it is better to limit yourself to a single ternary operator, with a maximum of one level of nesting at any given time.

Task

Swipe to start coding

Find the largest value of variables x, y and z using nested ternary operators.
Output it in the console.

Solution

solution.cpp

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Thanks for your feedback!

Section 3. Chapter 1

single