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GeezerVison is showing github.com — java-basics/java-programs/FindDuplicateCharacter.java at master · learning-zone/java-basics Expand file tree/ Copy pathFindDuplicateCharacter.javaMore file actions 24 lines (21 loc) · 467 Bytes / Copy pathFindDuplicateCharacter.javaFile metadata and controls24 lines (21 loc) · 467 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 package misc; import java.util.HashSet; public class FindDuplicateCharacter { static char getDuplicate(char[] str) { HashSet<Character> h = new HashSet<>(); for (int i = 0; i < str.length - 1; i++) { char c = str[i]; if (h.contains(c)) { return c; } else { h.add(c); } } return '\0'; } public static void main(String[] args) { String str = "PRADEEP"; char[] arr = str.toCharArray(); System.out.println(getDuplicate(arr)); } } |
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