Ersetzen Sie das letzte Zeichen in String Java
if (fieldName.endsWith(",")) {
fieldName = fieldName.substring(0, fieldName.length() - 1) + " ";
}
Distinct Dog
if (fieldName.endsWith(",")) {
fieldName = fieldName.substring(0, fieldName.length() - 1) + " ";
}public static String replaceLastFour(String s) {
int length = s.length();
//Check whether or not the string contains at least four characters; if not, this method is useless
if (length < 4) return "Error: The provided string is not greater than four characters long.";
return s.substring(0, length - 4) + "****";
}