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I also had the same problem. I changed the code like this and it worked. BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); ArrayList<String> list = new ArrayList<String>(); String s = reader.readLine(); while (s != null) { if (!s.isEmpty()) { list.add(s);} else break; s = reader.readLine(); }

BufferedReader.readLine() will return a null if the end of the stream is reached. So you want while (line== null || line.isEmpty()) BufferedReader.readLine() will stop the reading at the first blank line. (If you don't have blank lines, then you don't ever need to call isEmpty().

can you share the code?