In this example we are going to write a java program which will enable us to enter any integer value using Scanner object. In while loop we are going to reverse the entered number.
Output:
Enter the number to reverse: 123
Reverse of entered number is: 321
import java.util.Scanner;
class ReverseNumber {
public static void main(String args[]) {
int original, reverse = 0;
System.out.print("Enter the number to reverse: ");
Scanner in = new Scanner(System.in);
original = in.nextInt();
while (original != 0) {
reverse = reverse * 10;
reverse = reverse + original % 10;
original = original / 10;
}
System.out.println("Reverse of entered number is: " + reverse);
}
}
Output:
Enter the number to reverse: 123
Reverse of entered number is: 321
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