Java IO & NIO - Files.readAllLines() Examples

Java IO & NIO Java Java API 

Class:

java.nio.file.Files

Methods:

public static List<String> readAllLines(Path path)
                                 throws IOException

public static List<String> readAllLines(Path path,
                                        Charset cs)
                                 throws IOException

Read all lines from a file.

Parameters:

path - the path to the file

cs - the charset to use for decoding

Returns:

the lines from the file as a List ; whether the List is modifiable or not is implementation dependent and therefore not specified

Examples

package com.logicbig.example.files;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;

public class ReadAllLinesExample {

    public static void main(String... args) throws IOException {
        Path path = Files.createTempFile("test-file", ".txt");
        //write
        Files.write(path, "line 1\nline 2\n".getBytes());
        //read all lines
        List<String> lines = Files.readAllLines(path);
        lines.forEach(System.out::println);
    }
}

Output

line 1
line 2