How to read a text file in Java

Question

I have a text file. How can I read this file using methods in Java?

Answer 1

You can use readAllLines() method to read the lines from the text file.

for (String line : Files.readAllLines(Paths.get("file.txt"))) {
    // ...
}

Answer 2

You can use Scanner class to read a text file.

List<Integer> integers = new ArrayList<Integer>();
Scanner fileScanner = new Scanner(new File("c:\\file.txt"));
while (fileScanner.hasNextInt()){
   integers.add(fileScanner.nextInt());
}