[New post] How to check that letter is not a number and is repeating or not in a sentence in Java?

Subash Chandran posted: "private static boolean check(String input) { for (int i = 0; i < input.length(); i++) { char ch = input.charAt(i); if (Character.isLetter(ch) && input.indexOf(ch, i + 1) != -1) { return true; } } " New post on Poopcode How to check that letter is not a number and is repeating or not in a sentence in Java? by Subash Chandran private static boolean check(String input) { for (int i = 0; i < input.length(); i++) { char ch = input.charAt(i); if (Character.isLetter(ch) && input.indexOf(ch, i + 1) != -1) { return true; } } return false; } Read more of this post Subash Chandran | October 28, 2021 at 9:26 am | Tags: java number of repeating characters, java program to return the duplicate characters from given string and also maximum occurrence of that duplicate character in a string in java, repeating number in digits java | Categories: Snippets | URL: https://wp.me/pb9kQA-4eZ Comment    See all comments Unsubscribe to no longer receive posts from Poopcode. Change your email settings at Manage Subscriptions. Trouble clicking? Copy and paste this URL into your browser: https://poopcode.com/how-to-check-that-letter-is-not-a-number-and-is-repeating-or-not-in-a-sentence-in-java/