Java Utililty Methods String Upper Case

List of utility methods to do String Upper Case

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Description

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

Method

StringtoUpperCaseAtFirstChar(String string)
to Upper Case At First Char 
if (isEmpty(string)) {
    return "";
StringBuffer buffer = new StringBuffer();
buffer.append(string.substring(0, 1).toUpperCase());
buffer.append(string.substring(1, string.length()));
return buffer.toString();
StringtoUpperCaseFirst(String str)
to Upper Case First 
if (str == null)
    return null;
if ("".equals(str))
    return str;
String first = String.valueOf(str.charAt(0));
str.replaceFirst(first, first.toUpperCase());
return str;
StringtoUpperCaseFirst(String str)
to Upper Case First 
if (str == null) {
    return null;
} else if (str.length() == 0) {
    return str;
} else {
    String pre = String.valueOf(str.charAt(0));
    return str.replaceFirst(pre, pre.toUpperCase());
StringtoUpperCaseFirst(String str)
to Upper Case First 
return str.replaceFirst(str.substring(0, 1), str.substring(0, 1).toUpperCase());
StringtoUpperCaseFirst(String text)
Changes the first character of the given text to upper case. 
char[] charArray = text.toCharArray();
charArray[0] = Character.toUpperCase(charArray[0]);
return String.valueOf(charArray);
StringtoUpperCaseFirst(String text)
to Upper Case First 
return text.substring(0, 1).toUpperCase() + text.substring(1);
StringtoUpperCaseFirstAll(String text)
Changes the first character of all words in the given text to uppercase. 
StringBuilder result = new StringBuilder();
String[] words = text.split("\\s");
for (int i = 0; i < words.length; i++) {
    result.append(toUpperCaseFirst(words[i]));
    if (i < words.length - 1) {
        result.append(" ");
return result.toString();
StringtoUpperCaseFirstChar(final String str)
Method used to change to upper case the first character of a given string. 
String firstChar = str.substring(0, 1);
firstChar = firstChar.toUpperCase();
String lastChars = str.substring(1, str.length());
return firstChar + lastChars;
StringtoUpperCaseFirstChar(String s)
to Upper Case First Char 
if (s != null && s.length() > 0) {
    return Character.toUpperCase(s.charAt(0)) + s.substring(1);
} else {
    return s;
StringtoUpperCaseFirstChar(String str)
set the first character into low case. 
if (str != null && str.length() > 0) {
    if (str.length() == 1) {
        str = str.toUpperCase();
    } else {
        str = str.substring(0, 1).toUpperCase() + str.substring(1);
return str;
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