Java Utililty Methods Char to Nibble

List of utility methods to do Char to Nibble

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Description

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

Method

intcharToNibble(char c)
char To Nibble 
if ('0' <= c && c <= '9')
    return c - 48;
if ('a' <= c && c <= 'f')
    return (c - 97) + 10;
if ('A' <= c && c <= 'F')
    return (c - 65) + 10;
else
    throw new IllegalArgumentException(
...
intcharToNibble(char c)
convert a single char to corresponding nibble using a precalculated array. 
if (c > 'f') {
    throw new IllegalArgumentException("Invalid hex character: " + c);
int nibble = correspondingNibble[c];
if (nibble < 0) {
    throw new IllegalArgumentException("Invalid hex character: " + c);
return nibble;
...
intcharToNibble(char c)
char To Nibble 
if (c >= '0' && c <= '9') {
    return c - '0';
} else if (c >= 'a' && c <= 'f') {
    return 0xa + (c - 'a');
} else if (c >= 'A' && c <= 'F') {
    return 0xA + (c - 'A');
} else {
    throw new RuntimeException("Not a hex character: '" + c + "'");
...
intcharToNibble(char c)
char To Nibble 
if (c > 'f') {
    throw new IllegalArgumentException("Invalid hex character: " + c);
int nibble = correspondingNibble[c];
if (nibble < 0) {
    throw new IllegalArgumentException("Invalid hex character: " + c);
return nibble;
...