diff options
Diffstat (limited to 'challenge-180/ziameraj16/java/FirstUniqueCharacter.java')
| -rw-r--r-- | challenge-180/ziameraj16/java/FirstUniqueCharacter.java | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/challenge-180/ziameraj16/java/FirstUniqueCharacter.java b/challenge-180/ziameraj16/java/FirstUniqueCharacter.java new file mode 100644 index 0000000000..c05c77338b --- /dev/null +++ b/challenge-180/ziameraj16/java/FirstUniqueCharacter.java @@ -0,0 +1,23 @@ +import java.util.Map; +import java.util.Scanner; +import java.util.TreeMap; + +public class FirstUniqueCharacter { + + public static void main(String[] args) { + Scanner scanner = new Scanner(System.in); + System.out.println("Enter a string"); + String str = scanner.nextLine(); + Map<Character, Integer> map = new TreeMap(); + for (int i = 0; i < str.length(); i++) { + map.put(str.charAt(i), map.getOrDefault(str.charAt(i), 0) + 1); + } + for (int i = 0; i < str.length(); i++) { + if (map.get(str.charAt(i)) == 1) { + System.out.println(i); + break; + } + } + System.out.println("No unique character found"); + } +} |
