Files.newBufferedReader

public class Outer {
    public static void main(String[] args) throws Exception{
        
        Path p = Paths.get("C:\\dirtest\\testfile.txt");
        Path p2 = Paths.get("C:\\dirtest");
        File f = p2.toFile();
        if(!Files.exists(p)) {
            Files.createFile(p);
        }
        BufferedWriter bw = Files.newBufferedWriter(p,StandardOpenOption.APPEND);
        Scanner sc  = new Scanner(System.in);
        try(bw) {
            String str = sc.nextLine();
            bw.write(str);
            bw.newLine();
            bw.flush();
        }
        BufferedReader br = Files.newBufferedReader(p);
        String readStr;
        try (br) {
            while((readStr = br.readLine()) != null)
            System.out.println(readStr);
        }
    }

pp      <<System.in input
ppp     <<above is testfile.txt body
kkk
lll
pp