Read integers separated with whitespace into int[] array

Question

I read line with

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
reader.readLine();

Example input is

Answer 1

try

 line = reader.readLine();
 String[] s = line.split(" ");
 ...

you can look to StringTokenizer also, but one of the fastest will be to read bytes and iterate them and convert the ascii (utf8?) coded numbers yourself ;)