Perlだとmagical inclementという名前です。
Python
In [39]: chr(ord('A') + 1) Out[39]: 'B'
Perl
$ perl -e '$alp = 'a';for (1 .. 52) {print $alp++}';echo abcdefghijklmnopqrstuvwxyzaaabacadaeafagahaiajakalamanaoapaqarasatauavawaxayaz
Java
public class CodeConvert { public static void main(String[] args) { char a = 'a'; for (int i = 0; i < 26; i++) { System.out.print(a++); } System.out.println(); } }
abcdefghijklmnopqrstuvwxyz
public class CodeConvert { public static void main(String[] args) { char a = 'あ'; for (int i = 0; i < 26; i++) { System.out.print(a++); } System.out.println(); } }
あぃいぅうぇえぉおかがきぎくぐけげこごさざしじすずせ