Java get the numeric position of character in alphabets

/**
 * @author lautturi.com 
 * Java example:get numeric position of alphabets
 */


import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		
		String str = "123abcdef";
		char[] chs  = str.toCharArray();
		for(char ch : chs){
		    int temp = (int)ch;
		    int temp_integer = 96; 
		    if(temp<=122 & temp>=97)
		        System.out.println("Character:"+ch+" Code:"+(temp-temp_integer));
		}

	}
}

output:

Character:a Code:1
Character:b Code:2
Character:c Code:3
Character:d Code:4
Character:e Code:5
Character:f Code:6