Java Utililty Methods String Capitalize First

List of utility methods to do String Capitalize First

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Description

The list of methods to do String Capitalize First are organized into topic(s).

Method

StringcapitalizeFirstLetter(String s)
capitalize First Letter 
return s.substring(0, 1).toUpperCase() + s.substring(1);
StringcapitalizeFirstLetter(String s)
capitalize First Letter 
if (s.length() == 0)
    throw new IllegalArgumentException("Cannot capitalize first letter of empty string");
return Character.toString(Character.toUpperCase(s.charAt(0))) + s.substring(1);
StringcapitalizeFirstLetter(String str)
capitalize First Letter 
char[] chars = str.toCharArray();
if ((chars[0] >= 97 && chars[0] <= 122)) {
    chars[0] -= 32;
return String.valueOf(chars);
StringcapitalizeFirstLetter(String str)
Capitalize the first letter in a word 
if (str.length() == 0) {
    return str;
} else if (str.length() == 1) {
    return str.toUpperCase();
char[] string = str.toLowerCase().toCharArray();
string[0] = Character.toUpperCase(string[0]);
for (int index = 0; index < string.length; index++) {
...
StringcapitalizeFirstLetter(String str)
capitalizes just the first letter and returns the given string 
if (str == null)
    return null;
if (str.length() == 0)
    return str;
if (str.length() == 1)
    return Character.toString((Character.toUpperCase(str.charAt(0))));
else
    return Character.toUpperCase(str.charAt(0)) + str.substring(1);
...
StringcapitalizeFirstLetter(String str)
capitalize First Letter 
if (str != null && str.length() == 1) {
    return String.valueOf(str.charAt(0)).toUpperCase();
} else if (str != null && str.length() > 1) {
    return String.valueOf(str.charAt(0)).toUpperCase() + str.substring(1);
} else
    return str;
StringcapitalizeFirstLetter(String str)
Makes the first letter uppercase of the given String. 
if (str == null || str.length() == 0) {
    return str;
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(Character.toTitleCase(str.charAt(0)));
if (str.length() > 1) {
    stringBuilder.append(str.substring(1));
return stringBuilder.toString();
StringcapitalizeFirstLetter(String str)
capitalize First Letter 
return (isEmpty(str) || !Character.isLetter(str.charAt(0))) ? str
        : Character.toUpperCase(str.charAt(0)) + str.substring(1);
StringcapitalizeFirstLetter(String str)
Returns a new string where the first letter of the specified string is capitalized. 
if (str.length() > 0) {
    return replaceCharAt(str, 0, Character.toUpperCase(str.charAt(0)));
return str;
StringcapitalizeFirstLetter(String string)
Given a string, returns a new String with the first letter, and only the first letter, capitalized. 
String lowerCaseString = string.toLowerCase();
return Character.toUpperCase(lowerCaseString.charAt(0)) + lowerCaseString.substring(1);