ConvertToHex.java

public class ConvertToHex {
    public static final char[] converter = {'a', 'b', 'c', 'd', 'e', 'f'};

    public static String convertToHexMethod(String org) {
        int[] asciis = new int[org.length()]; 
        String out = "";
        for (int i = 0; i<asciis.length; i++) {
            int ascii_val = (int) org.charAt(i); 
            int onesdigit = ascii_val % 16;
            int tensdigit = (ascii_val / 16) % 16;
            if (tensdigit > 9) out += converter[tensdigit - 10];
            else out += tensdigit;
            if (onesdigit > 9) out += converter[onesdigit - 10];
            else out += onesdigit;
            out += " ";
            //asciis[i] = ;
        }
        return out.substring(0, out.length() -1); 
    }
    public static void main(String[] args) {
        System.out.println(convertToHexMethod("i love C++ , not really"));
    }
}