Reverse Number in Java

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Q. Write a Java program for Reverse Number

import java.util.Scanner;

public class ReverseNumber {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // Read the number from the user
        System.out.print("Enter a number: ");
        int number = scanner.nextInt();
        int reversed = 0;

        // Reverse the number using a loop
        while (number != 0) {
            int digit = number % 10;           // Get the last digit
            reversed = reversed * 10 + digit;  // Append digit
            number /= 10;                      // Remove last digit
        }

        // Display the reversed number
        System.out.println("Reversed number: " + reversed);

        scanner.close();
    }
}
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Q. Write an algorithm for Reverse Number

1. Start
2. Read an integer and store it in number
3. Initialize reversed = 0
4. Repeat while number ≠ 0:
    a. digit = number % 10
    b. reversed = reversed * 10 + digit
    c. number = number / 10
5. Print reversed
6. End
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