Question

I would like to know how I can convert standard input to a string. For instance, I have a txt file with n amount of letters – all these I want to read into one string.

Just to make sure: standard input is when you give the program a .txt as input.

Help would be appreciated!

Answer 1

I have a file and I want to store the data of it in a string.

This can be done using commons-io:

String content = FileUtils.readFileToString(file);

(complete example)

To read from stdin to a string, you could use a scanner. Use while (scanner.hasNextLine()) if you want the entire file.

String firstLineFromStdin = new Scanner(System.in).readLine();