Kotlin Program to Round a Number to n Decimal Places

Kotlin Program to Round a Number to n Decimal Places. In the below program, we’ve used format() method to print the given floating-point number num to 4 decimal places.

Kotlin Program to Round a Number to n Decimal Places

Source Code

import java.math.RoundingMode
import java.text.DecimalFormat

fun main(args: Array<String>) {
    val num = 1.23467
    val df = DecimalFormat("#.###")
    df.roundingMode = RoundingMode.CEILING

    println(df.format(num))
}

Output