'Format a number to string, fill 0 when it's not enough two characters

I want to format the number to String and fill 0 when it's not enough two characters

fun formatDuration(val duration):String {
    val minutes = duration.toInt() / 60
    return  "$minutes"
}

For example, if minutes is 6， it should displayed 06 rather than 6.

kotlin

Solution 1:^[1]

You can achive this with padStart

Example:

val padWithSpace = "125".padStart(5)
println("'$padWithSpace'") // '  125'

val padWithChar = "a".padStart(5, '.')
println("'$padWithChar'") // '....a'

// string is returned as is, when its length is greater than the specified
val noPadding = "abcde".padStart(3)
println("'$noPadding'") // 'abcde'

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'Format a number to string, fill 0 when it's not enough two characters

Solution 1:[1]

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Related Questions

Solution 1:^[1]