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TheAlgorithms
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src/main/java/com/thealgorithms/strings/Alphabetical.java
36 строк
1 KB
Piotr Idzik
style: enable `HideUtilityClassConstructor` in checkstyle (#5147)
08 май 2024, 09:58
Не верифицирован
08 май 2024, 09:58
d3bb691
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package com.thealgorithms.strings; /** * Alphabetical order is a system whereby character strings are placed in order * based on the position of the characters in the conventional ordering of an * alphabet. Wikipedia: https://en.wikipedia.org/wiki/Alphabetical_order */ final class Alphabetical { private Alphabetical() { } public static void main(String[] args) { assert !isAlphabetical("123abc"); assert isAlphabetical("aBC"); assert isAlphabetical("abc"); assert !isAlphabetical("xyzabc"); assert isAlphabetical("abcxyz"); } /** * 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; } }