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-rw-r--r--challenge-180/ziameraj16/java/FirstUniqueCharacter.java23
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");
+ }
+}