Convert octal number to decimal number

/*
Convert octal number to decimal number example.
This example shows how to convert octal number
to decimal number using valueOf method of Integer
wrapper class.
*/
public class ConvertOctalToDecimalNumber {
public static void main(String[] args) {
String strOctalNumber = "33";

/*
* to convert octal number to decimal number use,
* int parseInt method of Integer wrapper class.
*
* Pass 8 as redix second argument.
*/
int decimalNumber = Integer.parseInt(strOctalNumber,8);
System.out.println("Octal number converted to decimal number");
System.out.println("Decimal number is : " + decimalNumber);
}
}

/*
Output would be
Octal number converted to decimal number
Decimal number is : 27
*/