package com.string;

public class Alphabetical {

/**

* Check if a string is alphabetical order or not

*

* @param s a string

* @return {@code true} if given string is alphabetical order, otherwise {@code false}

*/

public static boolean isAlphabetical(String s) {

s = s.toLowerCase();

for (int i = 0; i < s.length() - 1; ++i) {

if (!Character.isLetter(s.charAt(i)) || !(s.charAt(i) <= s.charAt(i + 1))) {

return false;

}

}

return true;

}

}