binary to octal in java
public class UsingtoOctalStringMethod
{
   public static void main(String[] args)
   {
      String strNumber = "100101";
      int binary = Integer.parseInt(strNumber, 2);
      String strOctal = Integer.toOctalString(binary);
      System.out.println("Octal value is: " + strOctal);
   }
}
