// Search through string's characters one by one
// until we find a non-alphabetic character.
// When we do, return false; if we don't, return true.
public static boolean isAlphabetic(String s) {
        if (isEmpty(s)) return defaultEmptyOK;
        // Search through string's characters one by one
        // until we find a non-alphabetic character.
        // When we do, return false; if we don't, return true.
        for (int i = 0; i < s.length(); i++) {
            // Check that current character is letter.
            char c = s.charAt(i);
            if (!isLetter(c))
                return false;
        }
        // All characters are letters.
        return true;
    }
public static boolean isAlphabetic(String s) {
if (isEmpty(s)) return defaultEmptyOK;
// Search through string's characters one by one
// until we find a non-alphabetic character.
// When we do, return false; if we don't, return true.
for (int i = 0; i < s.length(); i++) {
// Check that current character is letter.
public static boolean isAlphabetic(String s) {
if (isEmpty(s)) return defaultEmptyOK;
// Search through string's characters one by one
// until we find a non-alphabetic character.
// When we do, return false; if we don't, return true.
for (int i = 0; i < s.length(); i++) {
// Check that current character is letter.
char c = s.charAt(i);
if (!isLetter(c))
return false;
}
// All characters are letters.
return true;
}
public static boolean isAlphabetic(String s) {
if (isEmpty(s)) return defaultEmptyOK;
// Search through string's characters one by one
// until we find a non-alphabetic character.
// When we do, return false; if we don't, return true.
for (int i = 0; i < s.length(); i++) {
// Check that current character is letter.
char c = s.charAt(i);
if (!isLetter(c))
return false;
}
// All characters are letters.
return true;
}