Find first non repeating character in a string in java 8

public class Test {

    public static void main(String[] args) {
        String input = "java spring boot java santosh";

        String key = Arrays.stream(input.split(""))
                .collect(Collectors.groupingBy(Function.identity(), LinkedHashMap::new, Collectors.counting())).
                entrySet().stream().filter(x -> x.getValue() == 1).findFirst().get().getKey();
        System.out.println(key);

        LinkedHashMap<String, Long> map = Arrays.stream(input.split(""))
                .collect(Collectors.groupingBy(Function.identity(), LinkedHashMap::new, Collectors.counting()));
        String result = map.entrySet().stream().filter(x -> x.getValue() == 1).findFirst().get().getKey();
        System.out.println(result);
    }