Java Utililty Methods String Capitalize

if (content.length() < 2) {
    return content;
String first = content.substring(0, 1).toUpperCase();
return first + content.substring(1);

StringBuffer sbuf = new StringBuffer(data.length());
sbuf.append(data.substring(0, 1).toUpperCase()).append(data.substring(1));
return sbuf.toString();

if (english.length() == 0)
    return "";
return Character.toString(Character.toUpperCase(english.charAt(0))) + english.substring(1);

if (in.length() == 0)
    return ("");
StringBuffer s = new StringBuffer(in.length());
int i = 0;
char c = in.charAt(i++);
while (c <= ' ') {
    c = in.charAt(i++);
    if (i >= in.length())
...

return capitalize(in, false);

String tail = in.substring(1);
String head = in.substring(0, 1);
return head.toUpperCase() + tail;

if (!"".equals(removeNull(in))) {
    String first = in.substring(0, 1).toUpperCase();
    return first + in.substring(1).toLowerCase();
return null;

if (input == null) {
    return null;
if (input.length() > 1) {
    for (int i = 0; i < input.length(); i++) {
        if (Character.isAlphabetic(input.charAt(i))) {
            return input.substring(0, i) + Character.toString(input.charAt(i)).toUpperCase()
                    + input.substring(i + 1);
...

if (input == null) {
    throw new IllegalArgumentException("Input string cannot be null!");
} else if (input.length() < 2) {
    return input.toUpperCase();
return input.substring(0, 1).toUpperCase() + input.substring(1);

if (input != null) {
    if ("".equals(input.trim()))
        return input;
    return input.substring(0, 1).toUpperCase() + input.substring(1);
return null;