BeginnerBasics
Data Types
Common Kotlin data types in one example.
kotlin
fun main() {
val age: Int = 25
val price: Double = 99.99
val isActive: Boolean = true
val grade: Char = 'A'
val website: String = "KotlinGuide"
println(age)
println(price)
println(isActive)
println(grade)
println(website)
}Output
25
99.99
true
A
KotlinGuide
Explanation
Kotlin has Int, Double, Boolean, Char, and String as core types.