Java Program Binary to Octal Conversion.

public class JavaExample{  
   public static void main(String args[]){  
 /* To take input from user, import the java.util.Scanner
  * package and write the following lines
  * Scanner scanner = new Scanner(System.in);
   * System.out.println("Enter the number: ");
  * int bnum = Integer.parseInt(scanner.nextLine(), 2);
         */
 String number = "10101";
 int bnum = Integer.parseInt(number, 2);
 String ostr = Integer.toOctalString(bnum);
 System.out.println("Octal Value after conversion is: "+ostr);
   }
}