read/write file

src_com_company_Main.java

package com.company;


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

public class Main {
    final static String FILE_NAME = "toread.txt";
    final static String OUTPUT_FILE_NAME = "toput.txt";
    final static String OUTPUT_FILE_NAME2 = "toput2.txt";
    final static Charset ENCODING = StandardCharsets.UTF_8;



    public static void main(String[] args) {

        Main main = new Main();
        try {
            List<String> lines =
            main.readSmallTextFile(FILE_NAME);

            main.writeSmallTextFile(OUTPUT_FILE_NAME,lines);




            try(BufferedReader reader = Files.newBufferedReader(Paths.get(OUTPUT_FILE_NAME));
                BufferedWriter writer = Files.newBufferedWriter(Paths.get(OUTPUT_FILE_NAME2), ENCODING);
            ){
                reader.lines().forEachOrdered(s -> {
                    try {

                        writer.write(s);
                        writer.write("\n");
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                });
                writer.write("written by stream");



            }




        } catch (IOException e) {
            e.printStackTrace();
        }


    }

    List<String> readSmallTextFile(String fileName) throws IOException{
        Path path = Paths.get(fileName);
        return Files.readAllLines(path.toAbsolutePath(),ENCODING);
    }

    void writeSmallTextFile(String fileName, List<String> lines) throws IOException{
        Path path = Paths.get(fileName);
        lines.add("written with writeSmallTextFile");

        Files.write(path.toAbsolutePath(), lines);
    }


}

toread.txt

this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text
this is a text