binary to octal conversion java program

1// conversion of binary to octal in java..
2public class Main{
3    public static void main(String args[]) throws Exception{
4        String binary = "1100100";                // binary number.. 
5        int decimal = Integer.parseInt(binary,2); // converting binary to decimal
6        System.out.println(Integer.toOctalString(decimal)); // 144 <= octal output..  
7    }
8}