StringToNumber.java

import java.io.UnsupportedEncodingException;

/**
 * Converts a given String to base 26 then spits out its decimal equivalent.
 * @author joshuahuelsman
 */
public class StringToNumber {
  
	public static void main(String[] args) throws UnsupportedEncodingException {
		System.out.println(args[0]);
		byte[] b = args[0].toUpperCase().getBytes("UTF-8");
		
		long number = 0;
		for(int i = 0; i < b.length; i++) {
			b[i] -= 'A';
		}
		for(int i = b.length - 1; i >= 0; i--) {
			number += b[i] * (Math.pow(26, (b.length - 1) - i));
		}
		System.out.println(number);
	}
}