Add FirstNonRepeatedChar class to find the first non-repeated character in a string

Author: kumarcodes

src/main/java/com/java8/FirstNonRepeatedChar.java

@@ -0,0 +1,16 @@
+package com.java8;
+
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.stream.Collectors;
+
+public class FirstNonRepeatedChar {
+    public static void main(String[] args) {
+        String str = "programming";
+        Arrays.stream(str.split(""))
+                .collect(Collectors.groupingBy(x -> x, LinkedHashMap::new, Collectors.counting()))
+                .entrySet().stream().filter(x -> x.getValue() == 1)
+                .map(x -> x.getKey())
+                .findFirst().ifPresent(System.out::println);
+    }
+}