Java manipulate alphabet list

String alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";int indexOfLetterD = alphabet.indexOf("D");//indexOfLetterD equals 3

Source: medium.com

Java manipulate alphabet list

String middle3 = (string.length() < 3) ? null : 
              string.substring(string.length() / 2 - 1, string.length() / 2 + 2);

Source: stackoverflow.com

Java manipulate alphabet list

String middle3 = (string.length < 3) ? null : string.substring(string.length / 2 - 1), string.length / 2 + 2);

Source: stackoverflow.com

Java manipulate alphabet list

for (int i = 'A'; i <= 'Z'; i++)
    for (fileName: fileNameList) {
        if ((int)fileName.charAt(0) == i) {
            AlphabetList.add((char)i);
        }
    }
}

Source: stackoverflow.com

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