Kotlin Program to reverse a number using class and object
In this program, You will learn how to reverse a number using the class and object in Kotlin.
1234 => 4321
8765 => 5678
Example: How to reverse a number using class and object in Kotlin.
import java.util.Scanner
class Test {
fun reverse(num: Int): Int {
var n = num
var rev = 0
var r: Int
while (n > 0) {
r = n % 10
rev = rev * 10 + r
n /= 10
}
return rev
}
}
fun main(args: Array<String>) {
var n: Int
var rev: Int
var sc = Scanner(System.`in`)
print("Enter a number:")
n = sc.nextInt()
var obj = Test()
rev = obj.reverse(n)
println("After reverse number is:$rev")
}
Output:
Enter a number:123
After reverse number is:321