➽ Program:-

import java.util.*;

import java.io.*;

class Main

{               

    public static void main(String args[])

    {

       int decimal_number, octal_number = 0, i = 1;

       Scanner sc = new Scanner(System.in);

       System.out.print("Enter the Decimal Number: ");

       decimal_number = sc.nextInt();

       while(decimal_number != 0)

       {

           octal_number += (decimal_number % 8) * i;

           decimal_number /= 8;

           i *= 10;

       }

       System.out.print("Octal value is "+octal_number);

    }

}

➽ Output:-

Enter the Decimal Number: 92
Octal value is 134