try (FileInputStream fileInputStream = new FileInputStream("filename.txt")) {
byte[] buffer = new byte[1024];
int bytesRead;
while ((bytesRead = fileInputStream.read(buffer)) != -1) {
System.out.println(new String(buffer, 0, bytesRead));
}
} catch (IOException e) {
e.printStackTrace();
}
try {
String content = FileUtils.readFileToString(new File("filename.txt"), Charset.defaultCharset());
System.out.println(content);
} catch (IOException e) {
e.printStackTrace();
}
