Java Utililty Methods Char Upper Case

List of utility methods to do Char Upper Case

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Description

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

Method

bytetoUpperCase(byte b)
to Upper Case 
return (byte) Character.toUpperCase((char) b);
byte[]toUpperCase(byte[] in)
to Upper Case 
byte[] out = new byte[in.length];
for (int i = 0; i < in.length; i++) {
    out[i] = toUpperCase(in[i]);
return out;
chartoUpperCase(char a)
A toUpperCase routine which is faster to process the ASCII lowercase letters than Character.toUpperCase. 
if (a < 'a') {
    return a;
if (a >= 'a' && a <= 'z') {
    return (char) (a + ('A' - 'a'));
return Character.toUpperCase(a);
chartoUpperCase(char a)
to Upper Case 
return Character.toUpperCase(a);
chartoUpperCase(char a)
to Upper Case 
if (a < 'a') {
    return a;
if (a >= 'a' && a <= 'z') {
    return (char) (a + ('A' - 'a'));
return Character.toUpperCase(a);
chartoUpperCase(char c)
to Upper Case 
return Character.toUpperCase(stripDiacritic(c));
chartoUpperCase(char c)
to Upper Case 
return isLowerCase(c) ? (char) (c - 'a' + 'A') : c;
chartoUpperCase(char c)
to Upper Case 
return isLowerCase(c) ? (char) (c - alphaStep) : c;
chartoUpperCase(char ch)
to Upper Case 
StringBuffer sb = new StringBuffer();
sb.append(ch);
char[] arr = sb.toString().toUpperCase().toCharArray();
return arr[0];
chartoUpperCase(char input)
to Upper Case 
if (input >= 'a' && input <= 'z') {
    input -= 32;
return input;