Hi Tony,
please verify the following methods and check in.
I made upperCaseFirstLetter and lowerCaseFirstLetter more robust. If you will
give a null value or empty string as input parameter it will not crash anymore.
It will return the null value or the empty string.
/**
* <p>Capitalizes a string. That is, it returns "HamburgerStall"
* when receiving a "hamburgerStall".</p>
*
* @param s the input string
* @return String the output string.
*/
public static String upperCaseFirstLetter(String s) {
if (s != null && s.length() > 0) {
return s.substring(0,1).toUpperCase() + s.substring(1);
} else {
return s;
}
}
/**
* <p>Removes the capitalization of a string. That is, it returns
* "hamburgerStall" when receiving a "HamburgerStall".</p>
*
* @param s the input string
* @return String the output string.
*/
public static String lowerCaseFirstLetter(String s) {
if (s != null && s.length() > 0) {
return s.substring(0,1).toLowerCase() + s.substring(1);
} else {
return s;
}
}
J�rgen Dufner
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