Concat Char Two

import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String input = "";
        String text = "";

        while (true) {
            input = scanner.nextLine();

            if ("stop".equals(input)) {
                break;
            }

            char symbol = input.charAt(0);
            text = text + symbol;
        }

        System.out.println(text);
    }
}