Read text file?

BufferedReader br = new BufferedReader(new FileReader("file.txt"));

try {

    StringBuilder sb = new StringBuilder();

    String line = br.readLine();

    while (line != null) {

        sb.append(line);

        sb.append(System.lineSeparator());

        line = br.readLine();

    }

    String everything = sb.toString();

} finally {

    br.close();

}