Java tutorial
//package com.java2s; import java.util.ArrayList; import java.util.List; public class Main { public static List<Integer> stringToPassword(String string) { List<Integer> result = new ArrayList<Integer>(); final byte[] bytes = string.getBytes(); for (int i = 0; i < bytes.length; i++) { byte b = bytes[i]; result.add(Integer.valueOf(b)); } return result; } }