Java Utililty Methods ASCII

List of utility methods to do ASCII

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Description

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

Method

StringasciiString(byte[] bytes, int from, int count)
ascii String 
char value[] = new char[count];
for (int i = 0; i < count; ++i)
    value[i] = (char) (bytes[i + from] & 0xff);
return new String(value);
byte[]asciiString(String fourcc)
ascii String 
char[] ch = fourcc.toCharArray();
byte[] result = new byte[ch.length];
for (int i = 0; i < ch.length; i++) {
    result[i] = (byte) ch[i];
return result;
StringAsciiStringToString(String content)
Ascii String To String 
String result = "";
int length = content.length() / 2;
for (int i = 0; i < length; i++) {
    String c = content.substring(i * 2, i * 2 + 2);
    int a = hexStringToAlgorism(c);
    char b = (char) a;
    String d = String.valueOf(b);
    result += d;
...
byte[]asciiToBCD(byte[] ascii, int asc_len)
ascii To BCD 
byte[] bcd = new byte[asc_len / 2];
int j = 0;
for (int i = 0; i < (asc_len + 1) / 2; i++) {
    bcd[i] = asc_to_bcd(ascii[j++]);
    bcd[i] = (byte) (((j >= asc_len) ? 0x00 : asc_to_bcd(ascii[j++])) + (bcd[i] << 4));
return bcd;
byte[]asciiToEbcdic(String s)
ascii To Ebcdic 
return asciiToEbcdic(s.getBytes());
intASCIIToInteger(String ascii)
ASCII To Integer 
long number = (ascii.charAt(0) - 97 << 28) | ((ascii.charAt(1) - 97) << 24) | ((ascii.charAt(2) - 97) << 20)
        | ((ascii.charAt(3) - 97) << 16) | ((ascii.charAt(4) - 97) << 12) | ((ascii.charAt(5) - 97) << 8)
        | ((ascii.charAt(6) - 97) << 4) | ((ascii.charAt(7) - 97));
return (int) number;
intasciiValue(byte b)
ascii Value 
if ((b >= '0') && (b <= '9')) {
    return (b - '0');
if ((b >= 'a') && (b <= 'f')) {
    return (b - 'a') + 0x0a;
if ((b >= 'A') && (b <= 'F')) {
    return (b - 'A') + 0x0a;
...