If-else expression assignment in Kotlin - Mini Project: Build & Apply

If-else Expression Assignment in Kotlin

📖 Scenario: You are creating a simple program to decide if a person is eligible to vote based on their age.

🎯 Goal: Build a Kotlin program that uses an if-else expression to assign a message about voting eligibility.

📋 What You'll Learn

Create an age variable with a specific value

Create a variable votingMessage that uses an if-else expression to assign the correct message

Use the exact messages: "Eligible to vote" and "Not eligible to vote"

Print the votingMessage variable

💡 Why This Matters

🌍 Real World

Deciding eligibility or status based on conditions is common in apps like voting systems, age verification, or access control.

💼 Career

Understanding if-else expressions is fundamental for writing clear and concise Kotlin code in many software development roles.

1

Create the age variable

Create an age variable of type Int and set it to 20.

Kotlin

# Create an Int variable called age and set it to 20
// Your code here

Need a hint?

Use val age: Int = 20 to create the variable.

2

Create the votingMessage variable with if-else expression

Create a variable called votingMessage and assign it using an if-else expression that sets it to "Eligible to vote" if age is 18 or more, otherwise "Not eligible to vote".

Kotlin

val age: Int = 20
# Create votingMessage using if-else expression based on age
// Your code here

Need a hint?

Use val votingMessage = if (age >= 18) "Eligible to vote" else "Not eligible to vote".

3

Use the if-else expression to assign the message

Make sure the votingMessage variable uses the if-else expression exactly as if (age >= 18) "Eligible to vote" else "Not eligible to vote".

Kotlin

val age: Int = 20
val votingMessage = if (age >= 18) "Eligible to vote" else "Not eligible to vote"
# Confirm the if-else expression is used correctly
// Your code here

Need a hint?

Check that the if-else expression is exactly as required.

4

Print the votingMessage

Write a println statement to print the votingMessage variable.

Kotlin

val age: Int = 20
val votingMessage = if (age >= 18) "Eligible to vote" else "Not eligible to vote"
# Print the votingMessage variable
// Your code here

Need a hint?

Use println(votingMessage) to display the message.