Java Utililty Methods Hex to Unicode

List of utility methods to do Hex to Unicode

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Description

The list of methods to do Hex to Unicode are organized into topic(s).

Method

StringconvertHexToUni(String theNumber)
convert Hex To Uni 
char[] the_unicode_char = new char[1];
try {
    the_unicode_char[0] = (char) Integer.parseInt(theNumber, 16);
} catch (NumberFormatException nfe) {
    return null;
return new String(the_unicode_char);
StringConvertHexToUnicode(String hexCode)
Method to convert Hex representation to Unicode using Linear Scan 
String toRet = "", nums = "";
boolean flag = false;
StringBuilder token = new StringBuilder();
char[] ch = hexCode.toCharArray();
for (int i = 0; i < ch.length; i++) {
    if (ch[i] == '&') {
        flag = true;
    if (flag) {
        token.append(ch[i]);
        if (ch[i] == ';') {
            nums = token.toString().substring(2, token.toString().indexOf(";"));
            try {
                toRet += (char) Integer.parseInt(nums);
            } catch (Exception e) {
                toRet += token;
            flag = false;
            token.setLength(0);
    } else {
        toRet += ch[i];
return toRet.trim();