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Mobile Development Intermediate Paid

Kotlin Mobile Development

Learn Kotlin from the fundamentals to object-oriented programming, collections, null safety, functions and Android development foundations.

10 Weeks 24 Lessons Android Development Foundation
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LESSON 9

If and Else

Learn how to make decisions in Kotlin using if, else if and else.

Kotlin Code

Study the example and understand each part.

KOTLIN
fun main() {

    val marks = 78

    if (marks >= 70) {

        println("Grade A")

    } else if (marks >= 60) {

        println("Grade B")

    } else if (marks >= 50) {

        println("Grade C")

    } else {

        println("Grade D")
    }

}

Kotlin is commonly developed using Android Studio or IntelliJ IDEA. These examples can be used as a foundation for Android application development.

Key Concept

Kotlin's if expression can return a value, making decision-making concise.

Expected Output / Result

Grade A

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Quick Knowledge Check

Test your Kotlin understanding.

Which keyword creates a read-only variable in Kotlin?

Vinsoft Lab Academy

Learn Kotlin. Build Android applications.

Build a strong Kotlin foundation and continue into practical Android application development.